Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index d66ea75..4a1a883 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Light sensors
@@ -13,11 +14,11 @@
select IIO_TRIGGERED_BUFFER
select IIO_KFIFO_BUF
help
- Say Y here if you want to build a driver for the ACPI0008
- Ambient Light Sensor.
+ Say Y here if you want to build a driver for the ACPI0008
+ Ambient Light Sensor.
- To compile this driver as a module, choose M here: the module will
- be called acpi-als.
+ To compile this driver as a module, choose M here: the module will
+ be called acpi-als.
config ADJD_S311
tristate "ADJD-S311-CR999 digital color sensor"
@@ -25,31 +26,31 @@
select IIO_TRIGGERED_BUFFER
depends on I2C
help
- If you say yes here you get support for the Avago ADJD-S311-CR999
- digital color light sensor.
+ If you say yes here you get support for the Avago ADJD-S311-CR999
+ digital color light sensor.
- This driver can also be built as a module. If so, the module
- will be called adjd_s311.
+ This driver can also be built as a module. If so, the module
+ will be called adjd_s311.
config AL3320A
tristate "AL3320A ambient light sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the Dyna Image AL3320A
- ambient light sensor.
+ Say Y here if you want to build a driver for the Dyna Image AL3320A
+ ambient light sensor.
- To compile this driver as a module, choose M here: the
- module will be called al3320a.
+ To compile this driver as a module, choose M here: the
+ module will be called al3320a.
config APDS9300
tristate "APDS9300 ambient light sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the Avago APDS9300
- ambient light sensor.
+ Say Y here if you want to build a driver for the Avago APDS9300
+ ambient light sensor.
- To compile this driver as a module, choose M here: the
- module will be called apds9300.
+ To compile this driver as a module, choose M here: the
+ module will be called apds9300.
config APDS9960
tristate "Avago APDS9960 gesture/RGB/ALS/proximity sensor"
@@ -68,74 +69,74 @@
tristate "ROHM BH1750 ambient light sensor"
depends on I2C
help
- Say Y here to build support for the ROHM BH1710, BH1715, BH1721,
- BH1750, BH1751 ambient light sensors.
+ Say Y here to build support for the ROHM BH1710, BH1715, BH1721,
+ BH1750, BH1751 ambient light sensors.
- To compile this driver as a module, choose M here: the module will
- be called bh1750.
+ To compile this driver as a module, choose M here: the module will
+ be called bh1750.
config BH1780
tristate "ROHM BH1780 ambient light sensor"
depends on I2C
help
- Say Y here to build support for the ROHM BH1780GLI ambient
- light sensor.
+ Say Y here to build support for the ROHM BH1780GLI ambient
+ light sensor.
- To compile this driver as a module, choose M here: the module will
- be called bh1780.
+ To compile this driver as a module, choose M here: the module will
+ be called bh1780.
config CM32181
depends on I2C
tristate "CM32181 driver"
help
- Say Y here if you use cm32181.
- This option enables ambient light sensor using
- Capella cm32181 device driver.
+ Say Y here if you use cm32181.
+ This option enables ambient light sensor using
+ Capella cm32181 device driver.
- To compile this driver as a module, choose M here:
- the module will be called cm32181.
+ To compile this driver as a module, choose M here:
+ the module will be called cm32181.
config CM3232
depends on I2C
tristate "CM3232 ambient light sensor"
help
- Say Y here if you use cm3232.
- This option enables ambient light sensor using
- Capella Microsystems cm3232 device driver.
+ Say Y here if you use cm3232.
+ This option enables ambient light sensor using
+ Capella Microsystems cm3232 device driver.
- To compile this driver as a module, choose M here:
- the module will be called cm3232.
+ To compile this driver as a module, choose M here:
+ the module will be called cm3232.
config CM3323
depends on I2C
tristate "Capella CM3323 color light sensor"
help
- Say Y here if you want to build a driver for Capella CM3323
- color sensor.
+ Say Y here if you want to build a driver for Capella CM3323
+ color sensor.
- To compile this driver as a module, choose M here: the module will
- be called cm3323.
+ To compile this driver as a module, choose M here: the module will
+ be called cm3323.
config CM3605
tristate "Capella CM3605 ambient light and proximity sensor"
depends on OF
help
- Say Y here if you want to build a driver for Capella CM3605
- ambient light and short range proximity sensor.
+ Say Y here if you want to build a driver for Capella CM3605
+ ambient light and short range proximity sensor.
- To compile this driver as a module, choose M here: the module will
- be called cm3605.
+ To compile this driver as a module, choose M here: the module will
+ be called cm3605.
config CM36651
depends on I2C
tristate "CM36651 driver"
help
- Say Y here if you use cm36651.
- This option enables proximity & RGB sensor using
- Capella cm36651 device driver.
+ Say Y here if you use cm36651.
+ This option enables proximity & RGB sensor using
+ Capella cm36651 device driver.
- To compile this driver as a module, choose M here:
- the module will be called cm36651.
+ To compile this driver as a module, choose M here:
+ the module will be called cm36651.
config IIO_CROS_EC_LIGHT_PROX
tristate "ChromeOS EC Light and Proximity Sensors"
@@ -167,21 +168,21 @@
select REGMAP_I2C
default n
help
- If you say yes here you get support for ambient light sensing and
- proximity infrared sensing from Intersil ISL29018.
- This driver will provide the measurements of ambient light intensity
- in lux, proximity infrared sensing and normal infrared sensing.
- Data from sensor is accessible via sysfs.
+ If you say yes here you get support for ambient light sensing and
+ proximity infrared sensing from Intersil ISL29018.
+ This driver will provide the measurements of ambient light intensity
+ in lux, proximity infrared sensing and normal infrared sensing.
+ Data from sensor is accessible via sysfs.
config SENSORS_ISL29028
tristate "Intersil ISL29028 Concurrent Light and Proximity Sensor"
depends on I2C
select REGMAP_I2C
help
- Provides driver for the Intersil's ISL29028 device.
- This driver supports the sysfs interface to get the ALS, IR intensity,
- Proximity value via iio. The ISL29028 provides the concurrent sensing
- of ambient light and proximity.
+ Provides driver for the Intersil's ISL29028 device.
+ This driver supports the sysfs interface to get the ALS, IR intensity,
+ Proximity value via iio. The ISL29028 provides the concurrent sensing
+ of ambient light and proximity.
config ISL29125
tristate "Intersil ISL29125 digital color light sensor"
@@ -228,22 +229,22 @@
depends on I2C
select REGMAP_I2C
help
- Say Y here if you want to build a IIO driver for JSA1212
- proximity & ALS sensor device.
+ Say Y here if you want to build a IIO driver for JSA1212
+ proximity & ALS sensor device.
- To compile this driver as a module, choose M here:
- the module will be called jsa1212.
+ To compile this driver as a module, choose M here:
+ the module will be called jsa1212.
config RPR0521
tristate "ROHM RPR0521 ALS and proximity sensor driver"
depends on I2C
select REGMAP_I2C
help
- Say Y here if you want to build support for ROHM's RPR0521
- ambient light and proximity sensor device.
+ Say Y here if you want to build support for ROHM's RPR0521
+ ambient light and proximity sensor device.
- To compile this driver as a module, choose M here:
- the module will be called rpr0521.
+ To compile this driver as a module, choose M here:
+ the module will be called rpr0521.
config SENSORS_LM3533
tristate "LM3533 ambient light sensor"
@@ -269,22 +270,22 @@
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
- If you say yes here you get support for the Lite-On LTR-501ALS-01
- ambient light and proximity sensor. This driver also supports LTR-559
- ALS/PS or LTR-301 ALS sensors.
+ If you say yes here you get support for the Lite-On LTR-501ALS-01
+ ambient light and proximity sensor. This driver also supports LTR-559
+ ALS/PS or LTR-301 ALS sensors.
- This driver can also be built as a module. If so, the module
- will be called ltr501.
+ This driver can also be built as a module. If so, the module
+ will be called ltr501.
config LV0104CS
tristate "LV0104CS Ambient Light Sensor"
depends on I2C
help
- Say Y here if you want to build support for the On Semiconductor
- LV0104CS ambient light sensor.
+ Say Y here if you want to build support for the On Semiconductor
+ LV0104CS ambient light sensor.
- To compile this driver as a module, choose M here:
- the module will be called lv0104cs.
+ To compile this driver as a module, choose M here:
+ the module will be called lv0104cs.
config MAX44000
tristate "MAX44000 Ambient and Infrared Proximity Sensor"
@@ -293,11 +294,33 @@
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
+ Say Y here if you want to build support for Maxim Integrated's
+ MAX44000 ambient and infrared proximity sensor device.
+
+ To compile this driver as a module, choose M here:
+ the module will be called max44000.
+
+config MAX44009
+ tristate "MAX44009 Ambient Light Sensor"
+ depends on I2C
+ select REGMAP_I2C
+ help
Say Y here if you want to build support for Maxim Integrated's
- MAX44000 ambient and infrared proximity sensor device.
+ MAX44009 ambient light sensor device.
To compile this driver as a module, choose M here:
- the module will be called max44000.
+ the module will be called max44009.
+
+config NOA1305
+ tristate "ON Semiconductor NOA1305 ambient light sensor"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ Say Y here if you want to build support for the ON Semiconductor
+ NOA1305 ambient light sensor.
+
+ To compile this driver as a module, choose M here:
+ The module will be called noa1305.
config OPT3001
tristate "Texas Instruments OPT3001 Light Sensor"
@@ -310,15 +333,15 @@
opt3001.
config PA12203001
- tristate "TXC PA12203001 light and proximity sensor"
- depends on I2C
- select REGMAP_I2C
- help
- If you say yes here you get support for the TXC PA12203001
- ambient light and proximity sensor.
+ tristate "TXC PA12203001 light and proximity sensor"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ If you say yes here you get support for the TXC PA12203001
+ ambient light and proximity sensor.
- This driver can also be built as a module. If so, the module
- will be called pa12203001.
+ This driver can also be built as a module. If so, the module
+ will be called pa12203001.
config SI1133
tristate "SI1133 UV Index Sensor and Ambient Light Sensor"
@@ -349,12 +372,12 @@
depends on I2C
select REGMAP_I2C
help
- Say yes here to get support for the Sensortek STK3310 ambient light
- and proximity sensor. The STK3311 model is also supported by this
- driver.
+ Say yes here to get support for the Sensortek STK3310 ambient light
+ and proximity sensor. The STK3311 model is also supported by this
+ driver.
- Choosing M will build the driver as a module. If so, the module
- will be called stk3310.
+ Choosing M will build the driver as a module. If so, the module
+ will be called stk3310.
config ST_UVIS25
tristate "STMicroelectronics UVIS25 sensor driver"
@@ -386,11 +409,11 @@
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
- If you say yes here you get support for the TAOS TCS3414
- family of digital color sensors.
+ If you say yes here you get support for the TAOS TCS3414
+ family of digital color sensors.
- This driver can also be built as a module. If so, the module
- will be called tcs3414.
+ This driver can also be built as a module. If so, the module
+ will be called tcs3414.
config TCS3472
tristate "TAOS TCS3472 color light-to-digital converter"
@@ -398,96 +421,109 @@
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
- If you say yes here you get support for the TAOS TCS3472
- family of color light-to-digital converters with IR filter.
+ If you say yes here you get support for the TAOS TCS3472
+ family of color light-to-digital converters with IR filter.
- This driver can also be built as a module. If so, the module
- will be called tcs3472.
+ This driver can also be built as a module. If so, the module
+ will be called tcs3472.
config SENSORS_TSL2563
tristate "TAOS TSL2560, TSL2561, TSL2562 and TSL2563 ambient light sensors"
depends on I2C
help
- If you say yes here you get support for the Taos TSL2560,
- TSL2561, TSL2562 and TSL2563 ambient light sensors.
+ If you say yes here you get support for the Taos TSL2560,
+ TSL2561, TSL2562 and TSL2563 ambient light sensors.
- This driver can also be built as a module. If so, the module
- will be called tsl2563.
+ This driver can also be built as a module. If so, the module
+ will be called tsl2563.
config TSL2583
tristate "TAOS TSL2580, TSL2581 and TSL2583 light-to-digital converters"
depends on I2C
help
- Provides support for the TAOS tsl2580, tsl2581 and tsl2583 devices.
- Access ALS data via iio, sysfs.
+ Provides support for the TAOS tsl2580, tsl2581 and tsl2583 devices.
+ Access ALS data via iio, sysfs.
config TSL2772
tristate "TAOS TSL/TMD2x71 and TSL/TMD2x72 Family of light and proximity sensors"
depends on I2C
help
- Support for: tsl2571, tsl2671, tmd2671, tsl2771, tmd2771, tsl2572, tsl2672,
- tmd2672, tsl2772, tmd2772 devices.
- Provides iio_events and direct access via sysfs.
+ Support for: tsl2571, tsl2671, tmd2671, tsl2771, tmd2771, tsl2572, tsl2672,
+ tmd2672, tsl2772, tmd2772 devices.
+ Provides iio_events and direct access via sysfs.
config TSL4531
tristate "TAOS TSL4531 ambient light sensors"
depends on I2C
help
- Say Y here if you want to build a driver for the TAOS TSL4531 family
- of ambient light sensors with direct lux output.
+ Say Y here if you want to build a driver for the TAOS TSL4531 family
+ of ambient light sensors with direct lux output.
- To compile this driver as a module, choose M here: the
- module will be called tsl4531.
+ To compile this driver as a module, choose M here: the
+ module will be called tsl4531.
config US5182D
tristate "UPISEMI light and proximity sensor"
depends on I2C
help
- If you say yes here you get support for the UPISEMI US5182D
- ambient light and proximity sensor.
+ If you say yes here you get support for the UPISEMI US5182D
+ ambient light and proximity sensor.
- This driver can also be built as a module. If so, the module
- will be called us5182d.
+ This driver can also be built as a module. If so, the module
+ will be called us5182d.
config VCNL4000
tristate "VCNL4000/4010/4020/4200 combined ALS and proximity sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the Vishay VCNL4000,
- VCNL4010, VCNL4020, VCNL4200 combined ambient light and proximity
- sensor.
+ Say Y here if you want to build a driver for the Vishay VCNL4000,
+ VCNL4010, VCNL4020, VCNL4200 combined ambient light and proximity
+ sensor.
- To compile this driver as a module, choose M here: the
- module will be called vcnl4000.
+ To compile this driver as a module, choose M here: the
+ module will be called vcnl4000.
+
+config VCNL4035
+ tristate "VCNL4035 combined ALS and proximity sensor"
+ select IIO_TRIGGERED_BUFFER
+ select REGMAP_I2C
+ depends on I2C
+ help
+ Say Y here if you want to build a driver for the Vishay VCNL4035,
+ combined ambient light (ALS) and proximity sensor. Currently only ALS
+ function is available.
+
+ To compile this driver as a module, choose M here: the
+ module will be called vcnl4035.
config VEML6070
tristate "VEML6070 UV A light sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the Vishay VEML6070 UV A
- light sensor.
+ Say Y here if you want to build a driver for the Vishay VEML6070 UV A
+ light sensor.
- To compile this driver as a module, choose M here: the
- module will be called veml6070.
+ To compile this driver as a module, choose M here: the
+ module will be called veml6070.
config VL6180
tristate "VL6180 ALS, range and proximity sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the STMicroelectronics
- VL6180 combined ambient light, range and proximity sensor.
+ Say Y here if you want to build a driver for the STMicroelectronics
+ VL6180 combined ambient light, range and proximity sensor.
- To compile this driver as a module, choose M here: the
- module will be called vl6180.
+ To compile this driver as a module, choose M here: the
+ module will be called vl6180.
config ZOPT2201
tristate "ZOPT2201 ALS and UV B sensor"
depends on I2C
help
- Say Y here if you want to build a driver for the IDT
- ZOPT2201 ambient light and UV B sensor.
+ Say Y here if you want to build a driver for the IDT
+ ZOPT2201 ambient light and UV B sensor.
- To compile this driver as a module, choose M here: the
- module will be called zopt2201.
+ To compile this driver as a module, choose M here: the
+ module will be called zopt2201.
endmenu
diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
index 86337b1..00d1f9b 100644
--- a/drivers/iio/light/Makefile
+++ b/drivers/iio/light/Makefile
@@ -28,6 +28,8 @@
obj-$(CONFIG_LTR501) += ltr501.o
obj-$(CONFIG_LV0104CS) += lv0104cs.o
obj-$(CONFIG_MAX44000) += max44000.o
+obj-$(CONFIG_MAX44009) += max44009.o
+obj-$(CONFIG_NOA1305) += noa1305.o
obj-$(CONFIG_OPT3001) += opt3001.o
obj-$(CONFIG_PA12203001) += pa12203001.o
obj-$(CONFIG_RPR0521) += rpr0521.o
@@ -45,6 +47,7 @@
obj-$(CONFIG_TSL4531) += tsl4531.o
obj-$(CONFIG_US5182D) += us5182d.o
obj-$(CONFIG_VCNL4000) += vcnl4000.o
+obj-$(CONFIG_VCNL4035) += vcnl4035.o
obj-$(CONFIG_VEML6070) += veml6070.o
obj-$(CONFIG_VL6180) += vl6180.o
obj-$(CONFIG_ZOPT2201) += zopt2201.o
diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c
index c35e2f8..1eafd0b 100644
--- a/drivers/iio/light/acpi-als.c
+++ b/drivers/iio/light/acpi-als.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ACPI Ambient Light Sensor Driver
*
@@ -10,20 +11,6 @@
* Final cleanup and debugging:
* Copyright (C) 2013-2014 Marek Vasut <marex@denx.de>
* Copyright (C) 2015 Gabriele Mazzotta <gabriele.mzt@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/module.h>
diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index e45bb6a..d3269cd 100644
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* adjd_s311.c - Support for ADJD-S311-CR999 digital color sensor
*
* Copyright (C) 2012 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* driver for ADJD-S311-CR999 digital color sensor (10-bit channels for
* red, green, blue, clear); 7-bit I2C slave address 0x74
*
diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
index 66623fa..a21aa99 100644
--- a/drivers/iio/light/al3320a.c
+++ b/drivers/iio/light/al3320a.c
@@ -1,16 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AL3320A - Dyna Image Ambient Light Sensor
*
* Copyright (c) 2014, Intel Corporation.
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for AL3320A (7-bit I2C slave address 0x1C).
*
* TODO: interrupt support, thresholds
- *
*/
#include <linux/module.h>
diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
index 5c15736..856b6c4 100644
--- a/drivers/iio/light/apds9300.c
+++ b/drivers/iio/light/apds9300.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* apds9300.c - IIO driver for Avago APDS9300 ambient light sensor
*
* Copyright 2013 Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
*/
#include <linux/module.h>
diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index 1f112ae..c5dfb9a 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -206,7 +206,8 @@
.name = APDS9960_REGMAP_NAME,
.reg_bits = 8,
.val_bits = 8,
- .use_single_rw = 1,
+ .use_single_read = true,
+ .use_single_write = true,
.volatile_table = &apds9960_volatile_table,
.precious_table = &apds9960_precious_table,
@@ -1134,5 +1135,5 @@
module_i2c_driver(apds9960_driver);
MODULE_AUTHOR("Matt Ranostay <matt.ranostay@konsulko.com>");
-MODULE_DESCRIPTION("ADPS9960 Gesture/RGB/ALS/Proximity sensor");
+MODULE_DESCRIPTION("APDS9960 Gesture/RGB/ALS/Proximity sensor");
MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
index a814828..28347df 100644
--- a/drivers/iio/light/bh1750.c
+++ b/drivers/iio/light/bh1750.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ROHM BH1710/BH1715/BH1721/BH1750/BH1751 ambient light sensor driver
*
* Copyright (c) Tomasz Duszynski <tduszyns@gmail.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Data sheets:
* http://rohmfs.rohm.com/en/products/databook/datasheet/ic/sensor/light/bh1710fvc-e.pdf
* http://rohmfs.rohm.com/en/products/databook/datasheet/ic/sensor/light/bh1715fvc-e.pdf
@@ -281,8 +278,7 @@
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int bh1750_suspend(struct device *dev)
+static int __maybe_unused bh1750_suspend(struct device *dev)
{
int ret;
struct bh1750_data *data =
@@ -300,10 +296,6 @@
}
static SIMPLE_DEV_PM_OPS(bh1750_pm_ops, bh1750_suspend, NULL);
-#define BH1750_PM_OPS (&bh1750_pm_ops)
-#else
-#define BH1750_PM_OPS NULL
-#endif
static const struct i2c_device_id bh1750_id[] = {
{ "bh1710", BH1710 },
@@ -315,10 +307,21 @@
};
MODULE_DEVICE_TABLE(i2c, bh1750_id);
+static const struct of_device_id bh1750_of_match[] = {
+ { .compatible = "rohm,bh1710", },
+ { .compatible = "rohm,bh1715", },
+ { .compatible = "rohm,bh1721", },
+ { .compatible = "rohm,bh1750", },
+ { .compatible = "rohm,bh1751", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, bh1750_of_match);
+
static struct i2c_driver bh1750_driver = {
.driver = {
.name = "bh1750",
- .pm = BH1750_PM_OPS,
+ .of_match_table = bh1750_of_match,
+ .pm = &bh1750_pm_ops,
},
.probe = bh1750_probe,
.remove = bh1750_remove,
diff --git a/drivers/iio/light/bh1780.c b/drivers/iio/light/bh1780.c
index 036f3bb..a836100 100644
--- a/drivers/iio/light/bh1780.c
+++ b/drivers/iio/light/bh1780.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ROHM 1780GLI Ambient Light Sensor Driver
*
@@ -145,7 +146,7 @@
{
int ret;
struct bh1780_data *bh1780;
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct i2c_adapter *adapter = client->adapter;
struct iio_dev *indio_dev;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index aebf7dd..5f4fb56 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Capella Microsystems Inc.
* Author: Kevin Tsai <ktsai@capellamicro.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2, as published
- * by the Free Software Foundation.
*/
#include <linux/delay.h>
diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c
index c639cf2..cd3cfb7 100644
--- a/drivers/iio/light/cm3232.c
+++ b/drivers/iio/light/cm3232.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* CM3232 Ambient Light Sensor
*
* Copyright (C) 2014-2015 Capella Microsystems Inc.
* Author: Kevin Tsai <ktsai@capellamicro.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2, as published
- * by the Free Software Foundation.
- *
* IIO driver for CM3232 (7-bit I2C slave address 0x10).
*/
diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c
index 83b08b6..0443861 100644
--- a/drivers/iio/light/cm3323.c
+++ b/drivers/iio/light/cm3323.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* CM3323 - Capella Color Light Sensor
*
* Copyright (c) 2015, Intel Corporation.
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for CM3323 (7-bit I2C slave address 0x10)
*
* TODO: calibscale to correct the lens factor
@@ -104,15 +101,16 @@
return 0;
}
-static void cm3323_disable(struct iio_dev *indio_dev)
+static void cm3323_disable(void *data)
{
int ret;
- struct cm3323_data *data = iio_priv(indio_dev);
+ struct iio_dev *indio_dev = data;
+ struct cm3323_data *cm_data = iio_priv(indio_dev);
- ret = i2c_smbus_write_word_data(data->client, CM3323_CMD_CONF,
+ ret = i2c_smbus_write_word_data(cm_data->client, CM3323_CMD_CONF,
CM3323_CONF_SD_BIT);
if (ret < 0)
- dev_err(&data->client->dev, "Error writing reg_conf\n");
+ dev_err(&cm_data->client->dev, "Error writing reg_conf\n");
}
static int cm3323_set_it_bits(struct cm3323_data *data, int val, int val2)
@@ -246,26 +244,11 @@
return ret;
}
- ret = iio_device_register(indio_dev);
- if (ret < 0) {
- dev_err(&client->dev, "failed to register iio dev\n");
- goto err_init;
- }
+ ret = devm_add_action_or_reset(&client->dev, cm3323_disable, indio_dev);
+ if (ret < 0)
+ return ret;
- return 0;
-err_init:
- cm3323_disable(indio_dev);
- return ret;
-}
-
-static int cm3323_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
- cm3323_disable(indio_dev);
-
- return 0;
+ return devm_iio_device_register(&client->dev, indio_dev);
}
static const struct i2c_device_id cm3323_id[] = {
@@ -279,7 +262,6 @@
.name = CM3323_DRV_NAME,
},
.probe = cm3323_probe,
- .remove = cm3323_remove,
.id_table = cm3323_id,
};
diff --git a/drivers/iio/light/cm3605.c b/drivers/iio/light/cm3605.c
index e454bc6..964ede4 100644
--- a/drivers/iio/light/cm3605.c
+++ b/drivers/iio/light/cm3605.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* CM3605 Ambient Light and Proximity Sensor
*
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 1dd8ed0..1019d62 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* Author: Beomho Seo <beomho.seo@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2, as published
- * by the Free Software Foundation.
*/
#include <linux/delay.h>
@@ -649,18 +646,18 @@
i2c_set_clientdata(client, indio_dev);
cm36651->client = client;
- cm36651->ps_client = i2c_new_dummy(client->adapter,
+ cm36651->ps_client = i2c_new_dummy_device(client->adapter,
CM36651_I2C_ADDR_PS);
- if (!cm36651->ps_client) {
+ if (IS_ERR(cm36651->ps_client)) {
dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
- ret = -ENODEV;
+ ret = PTR_ERR(cm36651->ps_client);
goto error_disable_reg;
}
- cm36651->ara_client = i2c_new_dummy(client->adapter, CM36651_ARA);
- if (!cm36651->ara_client) {
+ cm36651->ara_client = i2c_new_dummy_device(client->adapter, CM36651_ARA);
+ if (IS_ERR(cm36651->ara_client)) {
dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
- ret = -ENODEV;
+ ret = PTR_ERR(cm36651->ara_client);
goto error_i2c_unregister_ps;
}
diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c
index fd1609e..c5263b5 100644
--- a/drivers/iio/light/cros_ec_light_prox.c
+++ b/drivers/iio/light/cros_ec_light_prox.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* cros_ec_light_prox - Driver for light and prox sensors behing CrosEC.
*
* Copyright (C) 2017 Google, Inc
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
-#include <linux/delay.h>
#include <linux/device.h>
#include <linux/iio/buffer.h>
#include <linux/iio/common/cros_ec_sensors_core.h>
@@ -24,11 +15,11 @@
#include <linux/iio/trigger_consumer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/sysfs.h>
/*
* We only represent one entry for light or proximity. EC is merging different
@@ -52,7 +43,7 @@
struct cros_ec_light_prox_state *st = iio_priv(indio_dev);
u16 data = 0;
s64 val64;
- int ret = IIO_VAL_INT;
+ int ret;
int idx = chan->scan_index;
mutex_lock(&st->core.cmd_lock);
@@ -60,23 +51,22 @@
switch (mask) {
case IIO_CHAN_INFO_RAW:
if (chan->type == IIO_PROXIMITY) {
- if (cros_ec_sensors_read_cmd(indio_dev, 1 << idx,
- (s16 *)&data) < 0) {
- ret = -EIO;
+ ret = cros_ec_sensors_read_cmd(indio_dev, 1 << idx,
+ (s16 *)&data);
+ if (ret)
break;
- }
*val = data;
+ ret = IIO_VAL_INT;
} else {
ret = -EINVAL;
}
break;
case IIO_CHAN_INFO_PROCESSED:
if (chan->type == IIO_LIGHT) {
- if (cros_ec_sensors_read_cmd(indio_dev, 1 << idx,
- (s16 *)&data) < 0) {
- ret = -EIO;
+ ret = cros_ec_sensors_read_cmd(indio_dev, 1 << idx,
+ (s16 *)&data);
+ if (ret)
break;
- }
/*
* The data coming from the light sensor is
* pre-processed and represents the ambient light
@@ -92,15 +82,16 @@
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_OFFSET;
st->core.param.sensor_offset.flags = 0;
- if (cros_ec_motion_send_host_cmd(&st->core, 0)) {
- ret = -EIO;
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ if (ret)
break;
- }
/* Save values */
- st->core.calib[0] = st->core.resp->sensor_offset.offset[0];
+ st->core.calib[0].offset =
+ st->core.resp->sensor_offset.offset[0];
- *val = st->core.calib[idx];
+ *val = st->core.calib[idx].offset;
+ ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_CALIBSCALE:
/*
@@ -111,10 +102,9 @@
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_RANGE;
st->core.param.sensor_range.data = EC_MOTION_SENSE_NO_VALUE;
- if (cros_ec_motion_send_host_cmd(&st->core, 0)) {
- ret = -EIO;
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ if (ret)
break;
- }
val64 = st->core.resp->sensor_range.ret;
*val = val64 >> 16;
@@ -137,28 +127,27 @@
int val, int val2, long mask)
{
struct cros_ec_light_prox_state *st = iio_priv(indio_dev);
- int ret = 0;
+ int ret;
int idx = chan->scan_index;
mutex_lock(&st->core.cmd_lock);
switch (mask) {
case IIO_CHAN_INFO_CALIBBIAS:
- st->core.calib[idx] = val;
+ st->core.calib[idx].offset = val;
/* Send to EC for each axis, even if not complete */
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_OFFSET;
st->core.param.sensor_offset.flags = MOTION_SENSE_SET_OFFSET;
- st->core.param.sensor_offset.offset[0] = st->core.calib[0];
+ st->core.param.sensor_offset.offset[0] =
+ st->core.calib[0].offset;
st->core.param.sensor_offset.temp =
EC_MOTION_SENSE_INVALID_CALIB_TEMP;
- if (cros_ec_motion_send_host_cmd(&st->core, 0))
- ret = -EIO;
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
break;
case IIO_CHAN_INFO_CALIBSCALE:
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_RANGE;
st->core.param.sensor_range.data = (val << 16) | (val2 / 100);
- if (cros_ec_motion_send_host_cmd(&st->core, 0))
- ret = -EIO;
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
break;
default:
ret = cros_ec_sensors_core_write(&st->core, chan, val, val2,
@@ -174,6 +163,7 @@
static const struct iio_info cros_ec_light_prox_info = {
.read_raw = &cros_ec_light_prox_read,
.write_raw = &cros_ec_light_prox_write,
+ .read_avail = &cros_ec_sensors_core_read_avail,
};
static int cros_ec_light_prox_probe(struct platform_device *pdev)
@@ -208,6 +198,8 @@
channel->info_mask_shared_by_all =
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
BIT(IIO_CHAN_INFO_FREQUENCY);
+ channel->info_mask_shared_by_all_available =
+ BIT(IIO_CHAN_INFO_SAMP_FREQ);
channel->scan_type.realbits = CROS_EC_SENSOR_BITS;
channel->scan_type.storagebits = CROS_EC_SENSOR_BITS;
channel->scan_type.shift = 0;
@@ -215,8 +207,6 @@
channel->ext_info = cros_ec_sensors_ext_info;
channel->scan_type.sign = 'u';
- state->core.calib[0] = 0;
-
/* Sensor specific */
switch (state->core.type) {
case MOTIONSENSE_TYPE_LIGHT:
diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c
index 44b13fb..4d70c5b 100644
--- a/drivers/iio/light/gp2ap020a00f.c
+++ b/drivers/iio/light/gp2ap020a00f.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* Author: Jacek Anaszewski <j.anaszewski@samsung.com>
@@ -28,10 +29,6 @@
* with any triggers or illuminance events. Enabling/disabling
* one of the proximity events automatically enables/disables
* the other one.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2, as
- * published by the Free Software Foundation.
*/
#include <linux/debugfs.h>
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 94f3325..b6cd299 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HID Sensors Driver
* Copyright (c) 2012, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
#include <linux/device.h>
#include <linux/platform_device.h>
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index cf5a0c2..7e1030a 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HID Sensors Driver
* Copyright (c) 2014, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.
- *
*/
#include <linux/device.h>
#include <linux/platform_device.h>
diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c
index b45400f..805a74f 100644
--- a/drivers/iio/light/isl29018.c
+++ b/drivers/iio/light/isl29018.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A iio driver for the light sensor ISL 29018/29023/29035.
*
@@ -5,16 +6,6 @@
* sensing and infrared sensing.
*
* Copyright (c) 2010, NVIDIA Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/module.h>
@@ -23,6 +14,7 @@
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -95,6 +87,7 @@
struct isl29018_scale scale;
int prox_scheme;
bool suspended;
+ struct regulator *vcc_reg;
};
static int isl29018_set_integration_time(struct isl29018_chip *chip,
@@ -708,6 +701,16 @@
return dev_name(dev);
}
+static void isl29018_disable_regulator_action(void *_data)
+{
+ struct isl29018_chip *chip = _data;
+ int err;
+
+ err = regulator_disable(chip->vcc_reg);
+ if (err)
+ pr_err("failed to disable isl29018's VCC regulator!\n");
+}
+
static int isl29018_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -742,6 +745,27 @@
chip->scale = isl29018_scales[chip->int_time][0];
chip->suspended = false;
+ chip->vcc_reg = devm_regulator_get(&client->dev, "vcc");
+ if (IS_ERR(chip->vcc_reg)) {
+ err = PTR_ERR(chip->vcc_reg);
+ if (err != -EPROBE_DEFER)
+ dev_err(&client->dev, "failed to get VCC regulator!\n");
+ return err;
+ }
+
+ err = regulator_enable(chip->vcc_reg);
+ if (err) {
+ dev_err(&client->dev, "failed to enable VCC regulator!\n");
+ return err;
+ }
+
+ err = devm_add_action_or_reset(&client->dev, isl29018_disable_regulator_action,
+ chip);
+ if (err) {
+ dev_err(&client->dev, "failed to setup regulator cleanup action!\n");
+ return err;
+ }
+
chip->regmap = devm_regmap_init_i2c(client,
isl29018_chip_info_tbl[dev_id].regmap_cfg);
if (IS_ERR(chip->regmap)) {
@@ -768,6 +792,7 @@
static int isl29018_suspend(struct device *dev)
{
struct isl29018_chip *chip = iio_priv(dev_get_drvdata(dev));
+ int ret;
mutex_lock(&chip->lock);
@@ -777,10 +802,13 @@
* So we do not have much to do here.
*/
chip->suspended = true;
+ ret = regulator_disable(chip->vcc_reg);
+ if (ret)
+ dev_err(dev, "failed to disable VCC regulator\n");
mutex_unlock(&chip->lock);
- return 0;
+ return ret;
}
static int isl29018_resume(struct device *dev)
@@ -790,6 +818,13 @@
mutex_lock(&chip->lock);
+ err = regulator_enable(chip->vcc_reg);
+ if (err) {
+ dev_err(dev, "failed to enable VCC regulator\n");
+ mutex_unlock(&chip->lock);
+ return err;
+ }
+
err = isl29018_chip_init(chip);
if (!err)
chip->suspended = false;
diff --git a/drivers/iio/light/isl29028.c b/drivers/iio/light/isl29028.c
index f9912ab..4d220c8 100644
--- a/drivers/iio/light/isl29028.c
+++ b/drivers/iio/light/isl29028.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IIO driver for the light sensor ISL29028.
* ISL29028 is Concurrent Ambient Light and Proximity Sensor
@@ -5,18 +6,6 @@
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2016-2017 Brian Masney <masneyb@onstation.org>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
* Datasheets:
* - http://www.intersil.com/content/dam/Intersil/documents/isl2/isl29028.pdf
* - http://www.intersil.com/content/dam/Intersil/documents/isl2/isl29030.pdf
diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c
index ed38edc..e37894f 100644
--- a/drivers/iio/light/isl29125.c
+++ b/drivers/iio/light/isl29125.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* isl29125.c - Support for Intersil ISL29125 RGB light sensor
*
* Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* RGB light sensor with 16-bit channels for red, green, blue);
* 7-bit I2C slave address 0x44
*
diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c
index 811505d..13deeeb 100644
--- a/drivers/iio/light/jsa1212.c
+++ b/drivers/iio/light/jsa1212.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* JSA1212 Ambient Light & Proximity Sensor Driver
*
* Copyright (c) 2014, Intel Corporation.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
* JSA1212 I2C slave address: 0x44(ADDR tied to GND), 0x45(ADDR tied to VDD)
*
* TODO: Interrupt support, thresholds, range support.
diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index ff5a332..6733b52 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* lm3533-als.c -- LM3533 Ambient Light Sensor driver
*
* Copyright (C) 2011-2012 Texas Instruments
*
* Author: Johan Hovold <jhovold@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/atomic.h>
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 830a2d4..71f99d2 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ltr501.c - Support for Lite-On LTR501 ambient light and proximity sensor
*
* Copyright 2014 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* 7-bit I2C slave address 0x23
*
* TODO: IR LED characteristics
diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index bcdb0eb..d6d8007 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* MAX44000 Ambient and Infrared Proximity Sensor
*
* Copyright (c) 2016, Intel Corporation.
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* Data sheet: https://datasheets.maximintegrated.com/en/ds/MAX44000.pdf
*
* 7-bit I2C slave address 0x4a
@@ -99,7 +96,6 @@
* Handling this internally is also required for buffer support because the
* channel's scan_type can't be modified dynamically.
*/
-static const int max44000_alstim_shift[] = {0, 2, 4, 6};
#define MAX44000_ALSTIM_SHIFT(alstim) (2 * (alstim))
/* Available integration times with pretty manual alignment: */
@@ -473,17 +469,18 @@
}
static const struct regmap_config max44000_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
+ .reg_bits = 8,
+ .val_bits = 8,
- .max_register = MAX44000_REG_PRX_DATA,
- .readable_reg = max44000_readable_reg,
- .writeable_reg = max44000_writeable_reg,
- .volatile_reg = max44000_volatile_reg,
- .precious_reg = max44000_precious_reg,
+ .max_register = MAX44000_REG_PRX_DATA,
+ .readable_reg = max44000_readable_reg,
+ .writeable_reg = max44000_writeable_reg,
+ .volatile_reg = max44000_volatile_reg,
+ .precious_reg = max44000_precious_reg,
- .use_single_rw = 1,
- .cache_type = REGCACHE_RBTREE,
+ .use_single_read = true,
+ .use_single_write = true,
+ .cache_type = REGCACHE_RBTREE,
};
static irqreturn_t max44000_trigger_handler(int irq, void *p)
diff --git a/drivers/iio/light/max44009.c b/drivers/iio/light/max44009.c
new file mode 100644
index 0000000..00ba154
--- /dev/null
+++ b/drivers/iio/light/max44009.c
@@ -0,0 +1,555 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * max44009.c - Support for MAX44009 Ambient Light Sensor
+ *
+ * Copyright (c) 2019 Robert Eshleman <bobbyeshleman@gmail.com>
+ *
+ * Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX44009.pdf
+ *
+ * TODO: Support continuous mode and configuring from manual mode to
+ * automatic mode.
+ *
+ * Default I2C address: 0x4a
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/bits.h>
+#include <linux/i2c.h>
+#include <linux/iio/events.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/util_macros.h>
+
+#define MAX44009_DRV_NAME "max44009"
+
+/* Registers in datasheet order */
+#define MAX44009_REG_INT_STATUS 0x0
+#define MAX44009_REG_INT_EN 0x1
+#define MAX44009_REG_CFG 0x2
+#define MAX44009_REG_LUX_HI 0x3
+#define MAX44009_REG_LUX_LO 0x4
+#define MAX44009_REG_UPPER_THR 0x5
+#define MAX44009_REG_LOWER_THR 0x6
+#define MAX44009_REG_THR_TIMER 0x7
+
+#define MAX44009_CFG_TIM_MASK GENMASK(2, 0)
+#define MAX44009_CFG_MAN_MODE_MASK BIT(6)
+
+/* The maximum rising threshold for the max44009 */
+#define MAX44009_MAXIMUM_THRESHOLD 7520256
+
+#define MAX44009_THRESH_EXP_MASK (0xf << 4)
+#define MAX44009_THRESH_EXP_RSHIFT 4
+#define MAX44009_THRESH_MANT_LSHIFT 4
+#define MAX44009_THRESH_MANT_MASK 0xf
+
+#define MAX44009_UPPER_THR_MINIMUM 15
+
+/* The max44009 always scales raw readings by 0.045 and is non-configurable */
+#define MAX44009_SCALE_NUMERATOR 45
+#define MAX44009_SCALE_DENOMINATOR 1000
+
+/* The fixed-point fractional multiplier for de-scaling threshold values */
+#define MAX44009_FRACT_MULT 1000000
+
+static const u32 max44009_int_time_ns_array[] = {
+ 800000000,
+ 400000000,
+ 200000000,
+ 100000000,
+ 50000000, /* Manual mode only */
+ 25000000, /* Manual mode only */
+ 12500000, /* Manual mode only */
+ 6250000, /* Manual mode only */
+};
+
+static const char max44009_int_time_str[] =
+ "0.8 "
+ "0.4 "
+ "0.2 "
+ "0.1 "
+ "0.05 "
+ "0.025 "
+ "0.0125 "
+ "0.00625";
+
+struct max44009_data {
+ struct i2c_client *client;
+ struct mutex lock;
+};
+
+static const struct iio_event_spec max44009_event_spec[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_RISING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_FALLING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+};
+
+static const struct iio_chan_spec max44009_channels[] = {
+ {
+ .type = IIO_LIGHT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
+ BIT(IIO_CHAN_INFO_INT_TIME),
+ .event_spec = max44009_event_spec,
+ .num_event_specs = ARRAY_SIZE(max44009_event_spec),
+ },
+};
+
+static int max44009_read_int_time(struct max44009_data *data)
+{
+
+ int ret = i2c_smbus_read_byte_data(data->client, MAX44009_REG_CFG);
+
+ if (ret < 0)
+ return ret;
+
+ return max44009_int_time_ns_array[ret & MAX44009_CFG_TIM_MASK];
+}
+
+static int max44009_write_int_time(struct max44009_data *data,
+ int val, int val2)
+{
+ struct i2c_client *client = data->client;
+ int ret, int_time, config;
+ s64 ns;
+
+ ns = val * NSEC_PER_SEC + val2;
+ int_time = find_closest_descending(
+ ns,
+ max44009_int_time_ns_array,
+ ARRAY_SIZE(max44009_int_time_ns_array));
+
+ ret = i2c_smbus_read_byte_data(client, MAX44009_REG_CFG);
+ if (ret < 0)
+ return ret;
+
+ config = ret;
+ config &= int_time;
+
+ /*
+ * To set the integration time, the device must also be in manual
+ * mode.
+ */
+ config |= MAX44009_CFG_MAN_MODE_MASK;
+
+ return i2c_smbus_write_byte_data(client, MAX44009_REG_CFG, config);
+}
+
+static int max44009_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int val,
+ int val2, long mask)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+ int ret;
+
+ if (mask == IIO_CHAN_INFO_INT_TIME && chan->type == IIO_LIGHT) {
+ mutex_lock(&data->lock);
+ ret = max44009_write_int_time(data, val, val2);
+ mutex_unlock(&data->lock);
+ return ret;
+ }
+ return -EINVAL;
+}
+
+static int max44009_write_raw_get_fmt(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ long mask)
+{
+ return IIO_VAL_INT_PLUS_NANO;
+}
+
+static int max44009_lux_raw(u8 hi, u8 lo)
+{
+ int mantissa;
+ int exponent;
+
+ /*
+ * The mantissa consists of the low nibble of the Lux High Byte
+ * and the low nibble of the Lux Low Byte.
+ */
+ mantissa = ((hi & 0xf) << 4) | (lo & 0xf);
+
+ /* The exponent byte is just the upper nibble of the Lux High Byte */
+ exponent = (hi >> 4) & 0xf;
+
+ /*
+ * The exponent value is base 2 to the power of the raw exponent byte.
+ */
+ exponent = 1 << exponent;
+
+ return exponent * mantissa;
+}
+
+#define MAX44009_READ_LUX_XFER_LEN (4)
+
+static int max44009_read_lux_raw(struct max44009_data *data)
+{
+ int ret;
+ u8 hireg = MAX44009_REG_LUX_HI;
+ u8 loreg = MAX44009_REG_LUX_LO;
+ u8 lo = 0;
+ u8 hi = 0;
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = data->client->addr,
+ .flags = 0,
+ .len = sizeof(hireg),
+ .buf = &hireg,
+ },
+ {
+ .addr = data->client->addr,
+ .flags = I2C_M_RD,
+ .len = sizeof(hi),
+ .buf = &hi,
+ },
+ {
+ .addr = data->client->addr,
+ .flags = 0,
+ .len = sizeof(loreg),
+ .buf = &loreg,
+ },
+ {
+ .addr = data->client->addr,
+ .flags = I2C_M_RD,
+ .len = sizeof(lo),
+ .buf = &lo,
+ }
+ };
+
+ /*
+ * Use i2c_transfer instead of smbus read because i2c_transfer
+ * does NOT use a stop bit between address write and data read.
+ * Using a stop bit causes disjoint upper/lower byte reads and
+ * reduces accuracy.
+ */
+ ret = i2c_transfer(data->client->adapter,
+ msgs, MAX44009_READ_LUX_XFER_LEN);
+
+ if (ret != MAX44009_READ_LUX_XFER_LEN)
+ return -EIO;
+
+ return max44009_lux_raw(hi, lo);
+}
+
+static int max44009_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val,
+ int *val2, long mask)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+ int lux_raw;
+ int ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_PROCESSED:
+ switch (chan->type) {
+ case IIO_LIGHT:
+ ret = max44009_read_lux_raw(data);
+ if (ret < 0)
+ return ret;
+ lux_raw = ret;
+
+ *val = lux_raw * MAX44009_SCALE_NUMERATOR;
+ *val2 = MAX44009_SCALE_DENOMINATOR;
+ return IIO_VAL_FRACTIONAL;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_INT_TIME:
+ switch (chan->type) {
+ case IIO_LIGHT:
+ ret = max44009_read_int_time(data);
+ if (ret < 0)
+ return ret;
+
+ *val2 = ret;
+ *val = 0;
+ return IIO_VAL_INT_PLUS_NANO;
+ default:
+ return -EINVAL;
+ }
+ default:
+ return -EINVAL;
+ }
+}
+
+static IIO_CONST_ATTR(illuminance_integration_time_available,
+ max44009_int_time_str);
+
+static struct attribute *max44009_attributes[] = {
+ &iio_const_attr_illuminance_integration_time_available.dev_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group max44009_attribute_group = {
+ .attrs = max44009_attributes,
+};
+
+static int max44009_threshold_byte_from_fraction(int integral, int fractional)
+{
+ int mantissa, exp;
+
+ if ((integral <= 0 && fractional <= 0) ||
+ integral > MAX44009_MAXIMUM_THRESHOLD ||
+ (integral == MAX44009_MAXIMUM_THRESHOLD && fractional != 0))
+ return -EINVAL;
+
+ /* Reverse scaling of fixed-point integral */
+ mantissa = integral * MAX44009_SCALE_DENOMINATOR;
+ mantissa /= MAX44009_SCALE_NUMERATOR;
+
+ /* Reverse scaling of fixed-point fractional */
+ mantissa += fractional / MAX44009_FRACT_MULT *
+ (MAX44009_SCALE_DENOMINATOR / MAX44009_SCALE_NUMERATOR);
+
+ for (exp = 0; mantissa > 0xff; exp++)
+ mantissa >>= 1;
+
+ mantissa >>= 4;
+ mantissa &= 0xf;
+ exp <<= 4;
+
+ return exp | mantissa;
+}
+
+static int max44009_get_thr_reg(enum iio_event_direction dir)
+{
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ return MAX44009_REG_UPPER_THR;
+ case IIO_EV_DIR_FALLING:
+ return MAX44009_REG_LOWER_THR;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int max44009_write_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int val, int val2)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+ int reg, threshold;
+
+ if (info != IIO_EV_INFO_VALUE || chan->type != IIO_LIGHT)
+ return -EINVAL;
+
+ threshold = max44009_threshold_byte_from_fraction(val, val2);
+ if (threshold < 0)
+ return threshold;
+
+ reg = max44009_get_thr_reg(dir);
+ if (reg < 0)
+ return reg;
+
+ return i2c_smbus_write_byte_data(data->client, reg, threshold);
+}
+
+static int max44009_read_threshold(struct iio_dev *indio_dev,
+ enum iio_event_direction dir)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+ int byte, reg;
+ int mantissa, exponent;
+
+ reg = max44009_get_thr_reg(dir);
+ if (reg < 0)
+ return reg;
+
+ byte = i2c_smbus_read_byte_data(data->client, reg);
+ if (byte < 0)
+ return byte;
+
+ mantissa = byte & MAX44009_THRESH_MANT_MASK;
+ mantissa <<= MAX44009_THRESH_MANT_LSHIFT;
+
+ /*
+ * To get the upper threshold, always adds the minimum upper threshold
+ * value to the shifted byte value (see datasheet).
+ */
+ if (dir == IIO_EV_DIR_RISING)
+ mantissa += MAX44009_UPPER_THR_MINIMUM;
+
+ /*
+ * Exponent is base 2 to the power of the threshold exponent byte
+ * value
+ */
+ exponent = byte & MAX44009_THRESH_EXP_MASK;
+ exponent >>= MAX44009_THRESH_EXP_RSHIFT;
+
+ return (1 << exponent) * mantissa;
+}
+
+static int max44009_read_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int *val, int *val2)
+{
+ int ret;
+ int threshold;
+
+ if (chan->type != IIO_LIGHT || type != IIO_EV_TYPE_THRESH)
+ return -EINVAL;
+
+ ret = max44009_read_threshold(indio_dev, dir);
+ if (ret < 0)
+ return ret;
+ threshold = ret;
+
+ *val = threshold * MAX44009_SCALE_NUMERATOR;
+ *val2 = MAX44009_SCALE_DENOMINATOR;
+
+ return IIO_VAL_FRACTIONAL;
+}
+
+static int max44009_write_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ int state)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+ int ret;
+
+ if (chan->type != IIO_LIGHT || type != IIO_EV_TYPE_THRESH)
+ return -EINVAL;
+
+ ret = i2c_smbus_write_byte_data(data->client,
+ MAX44009_REG_INT_EN, state);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Set device to trigger interrupt immediately upon exceeding
+ * the threshold limit.
+ */
+ return i2c_smbus_write_byte_data(data->client,
+ MAX44009_REG_THR_TIMER, 0);
+}
+
+static int max44009_read_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir)
+{
+ struct max44009_data *data = iio_priv(indio_dev);
+
+ if (chan->type != IIO_LIGHT || type != IIO_EV_TYPE_THRESH)
+ return -EINVAL;
+
+ return i2c_smbus_read_byte_data(data->client, MAX44009_REG_INT_EN);
+}
+
+static const struct iio_info max44009_info = {
+ .read_raw = max44009_read_raw,
+ .write_raw = max44009_write_raw,
+ .write_raw_get_fmt = max44009_write_raw_get_fmt,
+ .read_event_value = max44009_read_event_value,
+ .read_event_config = max44009_read_event_config,
+ .write_event_value = max44009_write_event_value,
+ .write_event_config = max44009_write_event_config,
+ .attrs = &max44009_attribute_group,
+};
+
+static irqreturn_t max44009_threaded_irq_handler(int irq, void *p)
+{
+ struct iio_dev *indio_dev = p;
+ struct max44009_data *data = iio_priv(indio_dev);
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(data->client, MAX44009_REG_INT_STATUS);
+ if (ret) {
+ iio_push_event(indio_dev,
+ IIO_UNMOD_EVENT_CODE(IIO_LIGHT, 0,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_EITHER),
+ iio_get_time_ns(indio_dev));
+
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static int max44009_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct max44009_data *data;
+ struct iio_dev *indio_dev;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ data = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ data->client = client;
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->info = &max44009_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->name = MAX44009_DRV_NAME;
+ indio_dev->channels = max44009_channels;
+ indio_dev->num_channels = ARRAY_SIZE(max44009_channels);
+ mutex_init(&data->lock);
+
+ /* Clear any stale interrupt bit */
+ ret = i2c_smbus_read_byte_data(client, MAX44009_REG_CFG);
+ if (ret < 0)
+ return ret;
+
+ if (client->irq > 0) {
+ ret = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL,
+ max44009_threaded_irq_handler,
+ IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT | IRQF_SHARED,
+ "max44009_event",
+ indio_dev);
+ if (ret < 0)
+ return ret;
+ }
+
+ return devm_iio_device_register(&client->dev, indio_dev);
+}
+
+static const struct i2c_device_id max44009_id[] = {
+ { "max44009", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, max44009_id);
+
+static struct i2c_driver max44009_driver = {
+ .driver = {
+ .name = MAX44009_DRV_NAME,
+ },
+ .probe = max44009_probe,
+ .id_table = max44009_id,
+};
+module_i2c_driver(max44009_driver);
+
+static const struct of_device_id max44009_of_match[] = {
+ { .compatible = "maxim,max44009" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, max44009_of_match);
+
+MODULE_AUTHOR("Robert Eshleman <bobbyeshleman@gmail.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MAX44009 ambient light sensor driver");
diff --git a/drivers/iio/light/noa1305.c b/drivers/iio/light/noa1305.c
new file mode 100644
index 0000000..5ebfbc5
--- /dev/null
+++ b/drivers/iio/light/noa1305.c
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Support for ON Semiconductor NOA1305 ambient light sensor
+ *
+ * Copyright (C) 2016 Emcraft Systems
+ * Copyright (C) 2019 Collabora Ltd.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+#define NOA1305_REG_POWER_CONTROL 0x0
+#define NOA1305_POWER_CONTROL_DOWN 0x00
+#define NOA1305_POWER_CONTROL_ON 0x08
+#define NOA1305_REG_RESET 0x1
+#define NOA1305_RESET_RESET 0x10
+#define NOA1305_REG_INTEGRATION_TIME 0x2
+#define NOA1305_INTEGR_TIME_800MS 0x00
+#define NOA1305_INTEGR_TIME_400MS 0x01
+#define NOA1305_INTEGR_TIME_200MS 0x02
+#define NOA1305_INTEGR_TIME_100MS 0x03
+#define NOA1305_INTEGR_TIME_50MS 0x04
+#define NOA1305_INTEGR_TIME_25MS 0x05
+#define NOA1305_INTEGR_TIME_12_5MS 0x06
+#define NOA1305_INTEGR_TIME_6_25MS 0x07
+#define NOA1305_REG_INT_SELECT 0x3
+#define NOA1305_INT_SEL_ACTIVE_HIGH 0x01
+#define NOA1305_INT_SEL_ACTIVE_LOW 0x02
+#define NOA1305_INT_SEL_INACTIVE 0x03
+#define NOA1305_REG_INT_THRESH_LSB 0x4
+#define NOA1305_REG_INT_THRESH_MSB 0x5
+#define NOA1305_REG_ALS_DATA_LSB 0x6
+#define NOA1305_REG_ALS_DATA_MSB 0x7
+#define NOA1305_REG_DEVICE_ID_LSB 0x8
+#define NOA1305_REG_DEVICE_ID_MSB 0x9
+
+#define NOA1305_DEVICE_ID 0x0519
+#define NOA1305_DRIVER_NAME "noa1305"
+
+struct noa1305_priv {
+ struct i2c_client *client;
+ struct regmap *regmap;
+ struct regulator *vin_reg;
+};
+
+static int noa1305_measure(struct noa1305_priv *priv)
+{
+ __le16 data;
+ int ret;
+
+ ret = regmap_bulk_read(priv->regmap, NOA1305_REG_ALS_DATA_LSB, &data,
+ 2);
+ if (ret < 0)
+ return ret;
+
+ return le16_to_cpu(data);
+}
+
+static int noa1305_scale(struct noa1305_priv *priv, int *val, int *val2)
+{
+ int data;
+ int ret;
+
+ ret = regmap_read(priv->regmap, NOA1305_REG_INTEGRATION_TIME, &data);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Lux = count / (<Integration Constant> * <Integration Time>)
+ *
+ * Integration Constant = 7.7
+ * Integration Time in Seconds
+ */
+ switch (data) {
+ case NOA1305_INTEGR_TIME_800MS:
+ *val = 100;
+ *val2 = 77 * 8;
+ break;
+ case NOA1305_INTEGR_TIME_400MS:
+ *val = 100;
+ *val2 = 77 * 4;
+ break;
+ case NOA1305_INTEGR_TIME_200MS:
+ *val = 100;
+ *val2 = 77 * 2;
+ break;
+ case NOA1305_INTEGR_TIME_100MS:
+ *val = 100;
+ *val2 = 77;
+ break;
+ case NOA1305_INTEGR_TIME_50MS:
+ *val = 1000;
+ *val2 = 77 * 5;
+ break;
+ case NOA1305_INTEGR_TIME_25MS:
+ *val = 10000;
+ *val2 = 77 * 25;
+ break;
+ case NOA1305_INTEGR_TIME_12_5MS:
+ *val = 100000;
+ *val2 = 77 * 125;
+ break;
+ case NOA1305_INTEGR_TIME_6_25MS:
+ *val = 1000000;
+ *val2 = 77 * 625;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return IIO_VAL_FRACTIONAL;
+}
+
+static const struct iio_chan_spec noa1305_channels[] = {
+ {
+ .type = IIO_LIGHT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ }
+};
+
+static int noa1305_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ int ret = -EINVAL;
+ struct noa1305_priv *priv = iio_priv(indio_dev);
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ switch (chan->type) {
+ case IIO_LIGHT:
+ ret = noa1305_measure(priv);
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return IIO_VAL_INT;
+ default:
+ break;
+ }
+ break;
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_LIGHT:
+ return noa1305_scale(priv, val, val2);
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static const struct iio_info noa1305_info = {
+ .read_raw = noa1305_read_raw,
+};
+
+static bool noa1305_writable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case NOA1305_REG_POWER_CONTROL:
+ case NOA1305_REG_RESET:
+ case NOA1305_REG_INTEGRATION_TIME:
+ case NOA1305_REG_INT_SELECT:
+ case NOA1305_REG_INT_THRESH_LSB:
+ case NOA1305_REG_INT_THRESH_MSB:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_config noa1305_regmap_config = {
+ .name = NOA1305_DRIVER_NAME,
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = NOA1305_REG_DEVICE_ID_MSB,
+ .writeable_reg = noa1305_writable_reg,
+};
+
+static void noa1305_reg_remove(void *data)
+{
+ struct noa1305_priv *priv = data;
+
+ regulator_disable(priv->vin_reg);
+}
+
+static int noa1305_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct noa1305_priv *priv;
+ struct iio_dev *indio_dev;
+ struct regmap *regmap;
+ __le16 data;
+ unsigned int dev_id;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*priv));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ regmap = devm_regmap_init_i2c(client, &noa1305_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Regmap initialization failed.\n");
+ return PTR_ERR(regmap);
+ }
+
+ priv = iio_priv(indio_dev);
+
+ priv->vin_reg = devm_regulator_get(&client->dev, "vin");
+ if (IS_ERR(priv->vin_reg)) {
+ dev_err(&client->dev, "get regulator vin failed\n");
+ return PTR_ERR(priv->vin_reg);
+ }
+
+ ret = regulator_enable(priv->vin_reg);
+ if (ret) {
+ dev_err(&client->dev, "enable regulator vin failed\n");
+ return ret;
+ }
+
+ ret = devm_add_action_or_reset(&client->dev, noa1305_reg_remove, priv);
+ if (ret) {
+ dev_err(&client->dev, "addition of devm action failed\n");
+ return ret;
+ }
+
+ i2c_set_clientdata(client, indio_dev);
+ priv->client = client;
+ priv->regmap = regmap;
+
+ ret = regmap_bulk_read(regmap, NOA1305_REG_DEVICE_ID_LSB, &data, 2);
+ if (ret < 0) {
+ dev_err(&client->dev, "ID reading failed: %d\n", ret);
+ return ret;
+ }
+
+ dev_id = le16_to_cpu(data);
+ if (dev_id != NOA1305_DEVICE_ID) {
+ dev_err(&client->dev, "Unknown device ID: 0x%x\n", dev_id);
+ return -ENODEV;
+ }
+
+ ret = regmap_write(regmap, NOA1305_REG_POWER_CONTROL,
+ NOA1305_POWER_CONTROL_ON);
+ if (ret < 0) {
+ dev_err(&client->dev, "Enabling power control failed\n");
+ return ret;
+ }
+
+ ret = regmap_write(regmap, NOA1305_REG_RESET, NOA1305_RESET_RESET);
+ if (ret < 0) {
+ dev_err(&client->dev, "Device reset failed\n");
+ return ret;
+ }
+
+ ret = regmap_write(regmap, NOA1305_REG_INTEGRATION_TIME,
+ NOA1305_INTEGR_TIME_800MS);
+ if (ret < 0) {
+ dev_err(&client->dev, "Setting integration time failed\n");
+ return ret;
+ }
+
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->info = &noa1305_info;
+ indio_dev->channels = noa1305_channels;
+ indio_dev->num_channels = ARRAY_SIZE(noa1305_channels);
+ indio_dev->name = NOA1305_DRIVER_NAME;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = devm_iio_device_register(&client->dev, indio_dev);
+ if (ret)
+ dev_err(&client->dev, "registering device failed\n");
+
+ return ret;
+}
+
+static const struct of_device_id noa1305_of_match[] = {
+ { .compatible = "onnn,noa1305" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, noa1305_of_match);
+
+static const struct i2c_device_id noa1305_ids[] = {
+ { "noa1305", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, noa1305_ids);
+
+static struct i2c_driver noa1305_driver = {
+ .driver = {
+ .name = NOA1305_DRIVER_NAME,
+ .of_match_table = noa1305_of_match,
+ },
+ .probe = noa1305_probe,
+ .id_table = noa1305_ids,
+};
+
+module_i2c_driver(noa1305_driver);
+
+MODULE_AUTHOR("Sergei Miroshnichenko <sergeimir@emcraft.com>");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.com");
+MODULE_DESCRIPTION("ON Semiconductor NOA1305 ambient light sensor");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
index 54d88b6..92004a2 100644
--- a/drivers/iio/light/opt3001.c
+++ b/drivers/iio/light/opt3001.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* opt3001.c - Texas Instruments OPT3001 Light Sensor
*
@@ -5,15 +6,6 @@
*
* Author: Andreas Dannenberg <dannenberg@ti.com>
* Based on previous work from: Felipe Balbi <balbi@ti.com>
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 of the License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/bitops.h>
@@ -694,6 +686,7 @@
struct iio_dev *iio = _iio;
struct opt3001 *opt = iio_priv(iio);
int ret;
+ bool wake_result_ready_queue = false;
if (!opt->ok_to_ignore_lock)
mutex_lock(&opt->lock);
@@ -728,13 +721,16 @@
}
opt->result = ret;
opt->result_ready = true;
- wake_up(&opt->result_ready_queue);
+ wake_result_ready_queue = true;
}
out:
if (!opt->ok_to_ignore_lock)
mutex_unlock(&opt->lock);
+ if (wake_result_ready_queue)
+ wake_up(&opt->result_ready_queue);
+
return IRQ_HANDLED;
}
diff --git a/drivers/iio/light/pa12203001.c b/drivers/iio/light/pa12203001.c
index 30ea1a0..0295783 100644
--- a/drivers/iio/light/pa12203001.c
+++ b/drivers/iio/light/pa12203001.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015 Intel Corporation
*
* Driver for TXC PA12203001 Proximity and Ambient Light Sensor.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
* To do: Interrupt support.
*/
diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c
index ffe9ce7..a0a7aea 100644
--- a/drivers/iio/light/rpr0521.c
+++ b/drivers/iio/light/rpr0521.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* RPR-0521 ROHM Ambient Light and Proximity Sensor
*
* Copyright (c) 2015, Intel Corporation.
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for RPR-0521RS (7-bit I2C slave address 0x38).
*
* TODO: illuminance channel
diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c
index 76f16f9..982bba0 100644
--- a/drivers/iio/light/si1145.c
+++ b/drivers/iio/light/si1145.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* si1145.c - Support for Silabs SI1132 and SI1141/2/3/5/6/7 combined ambient
* light, UV index and proximity sensors
@@ -5,10 +6,6 @@
* Copyright 2014-16 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
* Copyright 2016 Crestez Dan Leonard <leonard.crestez@intel.com>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* SI1132 (7-bit I2C slave address 0x60)
* SI1141/2/3 (7-bit I2C slave address 0x5a)
* SI1145/6/6 (7-bit I2C slave address 0x60)
@@ -1264,7 +1261,7 @@
return ret;
}
- ret = iio_trigger_register(trig);
+ ret = devm_iio_trigger_register(&client->dev, trig);
if (ret)
return ret;
@@ -1274,16 +1271,6 @@
return 0;
}
-static void si1145_remove_trigger(struct iio_dev *indio_dev)
-{
- struct si1145_data *data = iio_priv(indio_dev);
-
- if (data->trig) {
- iio_trigger_unregister(data->trig);
- data->trig = NULL;
- }
-}
-
static int si1145_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -1335,7 +1322,8 @@
if (ret < 0)
return ret;
- ret = iio_triggered_buffer_setup(indio_dev, NULL,
+ ret = devm_iio_triggered_buffer_setup(&client->dev,
+ indio_dev, NULL,
si1145_trigger_handler, &si1145_buffer_setup_ops);
if (ret < 0)
return ret;
@@ -1343,23 +1331,12 @@
if (client->irq) {
ret = si1145_probe_trigger(indio_dev);
if (ret < 0)
- goto error_free_buffer;
+ return ret;
} else {
dev_info(&client->dev, "no irq, using polling\n");
}
- ret = iio_device_register(indio_dev);
- if (ret < 0)
- goto error_free_trigger;
-
- return 0;
-
-error_free_trigger:
- si1145_remove_trigger(indio_dev);
-error_free_buffer:
- iio_triggered_buffer_cleanup(indio_dev);
-
- return ret;
+ return devm_iio_device_register(&client->dev, indio_dev);
}
static const struct i2c_device_id si1145_ids[] = {
@@ -1374,23 +1351,11 @@
};
MODULE_DEVICE_TABLE(i2c, si1145_ids);
-static int si1145_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
- si1145_remove_trigger(indio_dev);
- iio_triggered_buffer_cleanup(indio_dev);
-
- return 0;
-}
-
static struct i2c_driver si1145_driver = {
.driver = {
.name = "si1145",
},
.probe = si1145_probe,
- .remove = si1145_remove,
.id_table = si1145_ids,
};
diff --git a/drivers/iio/light/st_uvis25.h b/drivers/iio/light/st_uvis25.h
index 5e970ab..78bc56a 100644
--- a/drivers/iio/light/st_uvis25.h
+++ b/drivers/iio/light/st_uvis25.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics uvis25 sensor driver
*
* Copyright 2017 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Licensed under the GPL-2.
*/
#ifndef ST_UVIS25_H
diff --git a/drivers/iio/light/st_uvis25_core.c b/drivers/iio/light/st_uvis25_core.c
index 3026358..d262c25 100644
--- a/drivers/iio/light/st_uvis25_core.c
+++ b/drivers/iio/light/st_uvis25_core.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics uvis25 sensor driver
*
* Copyright 2017 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/kernel.h>
diff --git a/drivers/iio/light/st_uvis25_i2c.c b/drivers/iio/light/st_uvis25_i2c.c
index afd6eb0..dacbac6 100644
--- a/drivers/iio/light/st_uvis25_i2c.c
+++ b/drivers/iio/light/st_uvis25_i2c.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics uvis25 i2c driver
*
* Copyright 2017 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/kernel.h>
diff --git a/drivers/iio/light/st_uvis25_spi.c b/drivers/iio/light/st_uvis25_spi.c
index cdfee5e..a9ceae4 100644
--- a/drivers/iio/light/st_uvis25_spi.c
+++ b/drivers/iio/light/st_uvis25_spi.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics uvis25 spi driver
*
* Copyright 2017 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/kernel.h>
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 6e2a169..185c24a 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* Sensortek STK3310/STK3311 Ambient Light and Proximity Sensor
*
* Copyright (c) 2015, Intel Corporation.
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for STK3310/STK3311. 7-bit I2C address: 0x48.
*/
@@ -40,6 +37,7 @@
#define STK3310_CHIP_ID_VAL 0x13
#define STK3311_CHIP_ID_VAL 0x1D
+#define STK3335_CHIP_ID_VAL 0x51
#define STK3310_PSINT_EN 0x01
#define STK3310_PS_MAX_VAL 0xFFFF
@@ -454,7 +452,8 @@
return ret;
if (chipid != STK3310_CHIP_ID_VAL &&
- chipid != STK3311_CHIP_ID_VAL) {
+ chipid != STK3311_CHIP_ID_VAL &&
+ chipid != STK3335_CHIP_ID_VAL) {
dev_err(&client->dev, "invalid chip id: 0x%x\n", chipid);
return -ENODEV;
}
@@ -666,6 +665,7 @@
static const struct i2c_device_id stk3310_i2c_id[] = {
{"STK3310", 0},
{"STK3311", 0},
+ {"STK3335", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, stk3310_i2c_id);
@@ -673,14 +673,24 @@
static const struct acpi_device_id stk3310_acpi_id[] = {
{"STK3310", 0},
{"STK3311", 0},
+ {"STK3335", 0},
{}
};
MODULE_DEVICE_TABLE(acpi, stk3310_acpi_id);
+static const struct of_device_id stk3310_of_match[] = {
+ { .compatible = "sensortek,stk3310", },
+ { .compatible = "sensortek,stk3311", },
+ { .compatible = "sensortek,stk3335", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, stk3310_of_match);
+
static struct i2c_driver stk3310_driver = {
.driver = {
.name = "stk3310",
+ .of_match_table = stk3310_of_match,
.pm = STK3310_PM_OPS,
.acpi_match_table = ACPI_PTR(stk3310_acpi_id),
},
diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c
index 205e565..7c0291c 100644
--- a/drivers/iio/light/tcs3414.c
+++ b/drivers/iio/light/tcs3414.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tcs3414.c - Support for TAOS TCS3414 digital color sensor
*
* Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* Digital color sensor with 16-bit channels for red, green, blue, clear);
* 7-bit I2C slave address 0x39 (TCS3414) or 0x29, 0x49, 0x59 (TCS3413,
* TCS3415, TCS3416, resp.)
diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c
index e7923b5..12ad344 100644
--- a/drivers/iio/light/tcs3472.c
+++ b/drivers/iio/light/tcs3472.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tcs3472.c - Support for TAOS TCS3472 color light-to-digital converter
*
* Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* Color light sensor with 16-bit channels for red, green, blue, clear);
* 7-bit I2C slave address 0x39 (TCS34721, TCS34723) or 0x29 (TCS34725,
* TCS34727)
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index 6bbb0b1..d8c40a8 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* drivers/iio/light/tsl2563.c
*
@@ -8,20 +9,6 @@
*
* Converted to IIO driver
* Amit Kucheria <amit.kucheria@verdurent.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
*/
#include <linux/module.h>
diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c
index 4b5d998..a760d14 100644
--- a/drivers/iio/light/tsl2583.c
+++ b/drivers/iio/light/tsl2583.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Device driver for monitoring ambient light intensity (lux)
* within the TAOS tsl258x family of devices (tsl2580, tsl2581, tsl2583).
*
* Copyright (c) 2011, TAOS Corporation.
* Copyright (c) 2016-2017 Brian Masney <masneyb@onstation.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/kernel.h>
diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
index df5b2a0..be37fcb 100644
--- a/drivers/iio/light/tsl2772.c
+++ b/drivers/iio/light/tsl2772.c
@@ -20,6 +20,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/platform_data/tsl2772.h>
+#include <linux/regulator/consumer.h>
/* Cal defs */
#define PROX_STAT_CAL 0
@@ -107,6 +108,11 @@
#define TSL2772_ALS_GAIN_TRIM_MIN 250
#define TSL2772_ALS_GAIN_TRIM_MAX 4000
+#define TSL2772_MAX_PROX_LEDS 2
+
+#define TSL2772_BOOT_MIN_SLEEP_TIME 10000
+#define TSL2772_BOOT_MAX_SLEEP_TIME 28000
+
/* Device family members */
enum {
tsl2571,
@@ -118,7 +124,8 @@
tsl2672,
tmd2672,
tsl2772,
- tmd2772
+ tmd2772,
+ apds9930,
};
enum {
@@ -127,6 +134,12 @@
TSL2772_CHIP_SUSPENDED = 2
};
+enum {
+ TSL2772_SUPPLY_VDD = 0,
+ TSL2772_SUPPLY_VDDIO = 1,
+ TSL2772_NUM_SUPPLIES = 2
+};
+
/* Per-device data */
struct tsl2772_als_info {
u16 als_ch0;
@@ -141,11 +154,20 @@
const struct iio_info *info;
};
+static const int tsl2772_led_currents[][2] = {
+ { 100000, TSL2772_100_mA },
+ { 50000, TSL2772_50_mA },
+ { 25000, TSL2772_25_mA },
+ { 13000, TSL2772_13_mA },
+ { 0, 0 }
+};
+
struct tsl2772_chip {
kernel_ulong_t id;
struct mutex prox_mutex;
struct mutex als_mutex;
struct i2c_client *client;
+ struct regulator_bulk_data supplies[TSL2772_NUM_SUPPLIES];
u16 prox_data;
struct tsl2772_als_info als_cur_info;
struct tsl2772_settings settings;
@@ -197,6 +219,12 @@
{ 0, 0 },
};
+static const struct tsl2772_lux apds9930_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {
+ { 52000, 96824 },
+ { 38792, 67132 },
+ { 0, 0 },
+};
+
static const struct tsl2772_lux *tsl2772_default_lux_table_group[] = {
[tsl2571] = tsl2x71_lux_table,
[tsl2671] = tsl2x71_lux_table,
@@ -208,6 +236,7 @@
[tmd2672] = tmd2x72_lux_table,
[tsl2772] = tsl2x72_lux_table,
[tmd2772] = tmd2x72_lux_table,
+ [apds9930] = apds9930_lux_table,
};
static const struct tsl2772_settings tsl2772_default_settings = {
@@ -258,6 +287,7 @@
[tmd2672] = { 0, 2730, 0, 2730, 0, 699000 },
[tsl2772] = { 0, 2730, 0, 2730, 0, 699000 },
[tmd2772] = { 0, 2730, 0, 2730, 0, 699000 },
+ [apds9930] = { 0, 2730, 0, 2730, 0, 699000 },
};
static int tsl2772_int_calibscale_avail[] = { 1, 8, 16, 120 };
@@ -283,7 +313,8 @@
[tsl2672] = PRX2,
[tmd2672] = PRX2,
[tsl2772] = ALSPRX2,
- [tmd2772] = ALSPRX2
+ [tmd2772] = ALSPRX2,
+ [apds9930] = ALSPRX2,
};
static int tsl2772_read_status(struct tsl2772_chip *chip)
@@ -497,6 +528,7 @@
case tmd2672:
case tsl2772:
case tmd2772:
+ case apds9930:
if (!(ret & TSL2772_STA_PRX_VALID)) {
ret = -EINVAL;
goto prox_poll_err;
@@ -515,6 +547,75 @@
return ret;
}
+static int tsl2772_read_prox_led_current(struct tsl2772_chip *chip)
+{
+ struct device_node *of_node = chip->client->dev.of_node;
+ int ret, tmp, i;
+
+ ret = of_property_read_u32(of_node, "led-max-microamp", &tmp);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; tsl2772_led_currents[i][0] != 0; i++) {
+ if (tmp == tsl2772_led_currents[i][0]) {
+ chip->settings.prox_power = tsl2772_led_currents[i][1];
+ return 0;
+ }
+ }
+
+ dev_err(&chip->client->dev, "Invalid value %d for led-max-microamp\n",
+ tmp);
+
+ return -EINVAL;
+
+}
+
+static int tsl2772_read_prox_diodes(struct tsl2772_chip *chip)
+{
+ struct device_node *of_node = chip->client->dev.of_node;
+ int i, ret, num_leds, prox_diode_mask;
+ u32 leds[TSL2772_MAX_PROX_LEDS];
+
+ ret = of_property_count_u32_elems(of_node, "amstaos,proximity-diodes");
+ if (ret < 0)
+ return ret;
+
+ num_leds = ret;
+ if (num_leds > TSL2772_MAX_PROX_LEDS)
+ num_leds = TSL2772_MAX_PROX_LEDS;
+
+ ret = of_property_read_u32_array(of_node, "amstaos,proximity-diodes",
+ leds, num_leds);
+ if (ret < 0) {
+ dev_err(&chip->client->dev,
+ "Invalid value for amstaos,proximity-diodes: %d.\n",
+ ret);
+ return ret;
+ }
+
+ prox_diode_mask = 0;
+ for (i = 0; i < num_leds; i++) {
+ if (leds[i] == 0)
+ prox_diode_mask |= TSL2772_DIODE0;
+ else if (leds[i] == 1)
+ prox_diode_mask |= TSL2772_DIODE1;
+ else {
+ dev_err(&chip->client->dev,
+ "Invalid value %d in amstaos,proximity-diodes.\n",
+ leds[i]);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static void tsl2772_parse_dt(struct tsl2772_chip *chip)
+{
+ tsl2772_read_prox_led_current(chip);
+ tsl2772_read_prox_diodes(chip);
+}
+
/**
* tsl2772_defaults() - Populates the device nominal operating parameters
* with those provided by a 'platform' data struct or
@@ -541,6 +642,8 @@
memcpy(chip->tsl2772_device_lux,
tsl2772_default_lux_table_group[chip->id],
TSL2772_DEFAULT_TABLE_BYTES);
+
+ tsl2772_parse_dt(chip);
}
/**
@@ -595,6 +698,13 @@
return ret;
}
+static void tsl2772_disable_regulators_action(void *_data)
+{
+ struct tsl2772_chip *chip = _data;
+
+ regulator_bulk_disable(ARRAY_SIZE(chip->supplies), chip->supplies);
+}
+
static int tsl2772_chip_on(struct iio_dev *indio_dev)
{
struct tsl2772_chip *chip = iio_priv(indio_dev);
@@ -716,6 +826,13 @@
return tsl2772_write_control_reg(chip, 0x00);
}
+static void tsl2772_chip_off_action(void *data)
+{
+ struct iio_dev *indio_dev = data;
+
+ tsl2772_chip_off(indio_dev);
+}
+
/**
* tsl2772_invoke_change - power cycle the device to implement the user
* parameters
@@ -1260,6 +1377,7 @@
case tmd2672:
case tsl2772:
case tmd2772:
+ case apds9930:
return (id & 0xf0) == SWORDFISH_ID;
}
@@ -1652,6 +1770,39 @@
chip->client = clientp;
i2c_set_clientdata(clientp, indio_dev);
+ chip->supplies[TSL2772_SUPPLY_VDD].supply = "vdd";
+ chip->supplies[TSL2772_SUPPLY_VDDIO].supply = "vddio";
+
+ ret = devm_regulator_bulk_get(&clientp->dev,
+ ARRAY_SIZE(chip->supplies),
+ chip->supplies);
+ if (ret < 0) {
+ if (ret != -EPROBE_DEFER)
+ dev_err(&clientp->dev,
+ "Failed to get regulators: %d\n",
+ ret);
+
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(chip->supplies), chip->supplies);
+ if (ret < 0) {
+ dev_err(&clientp->dev, "Failed to enable regulators: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = devm_add_action_or_reset(&clientp->dev,
+ tsl2772_disable_regulators_action,
+ chip);
+ if (ret < 0) {
+ dev_err(&clientp->dev, "Failed to setup regulator cleanup action %d\n",
+ ret);
+ return ret;
+ }
+
+ usleep_range(TSL2772_BOOT_MIN_SLEEP_TIME, TSL2772_BOOT_MAX_SLEEP_TIME);
+
ret = i2c_smbus_read_byte_data(chip->client,
TSL2772_CMD_REG | TSL2772_CHIPID);
if (ret < 0)
@@ -1711,42 +1862,42 @@
if (ret < 0)
return ret;
- ret = iio_device_register(indio_dev);
- if (ret) {
- tsl2772_chip_off(indio_dev);
- dev_err(&clientp->dev,
- "%s: iio registration failed\n", __func__);
+ ret = devm_add_action_or_reset(&clientp->dev,
+ tsl2772_chip_off_action,
+ indio_dev);
+ if (ret < 0)
return ret;
- }
- return 0;
+ return devm_iio_device_register(&clientp->dev, indio_dev);
}
static int tsl2772_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
+ int ret;
- return tsl2772_chip_off(indio_dev);
+ ret = tsl2772_chip_off(indio_dev);
+ regulator_bulk_disable(ARRAY_SIZE(chip->supplies), chip->supplies);
+
+ return ret;
}
static int tsl2772_resume(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(chip->supplies), chip->supplies);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(TSL2772_BOOT_MIN_SLEEP_TIME, TSL2772_BOOT_MAX_SLEEP_TIME);
return tsl2772_chip_on(indio_dev);
}
-static int tsl2772_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- tsl2772_chip_off(indio_dev);
-
- iio_device_unregister(indio_dev);
-
- return 0;
-}
-
static const struct i2c_device_id tsl2772_idtable[] = {
{ "tsl2571", tsl2571 },
{ "tsl2671", tsl2671 },
@@ -1758,6 +1909,7 @@
{ "tmd2672", tmd2672 },
{ "tsl2772", tsl2772 },
{ "tmd2772", tmd2772 },
+ { "apds9930", apds9930},
{}
};
@@ -1774,6 +1926,7 @@
{ .compatible = "amstaos,tmd2672" },
{ .compatible = "amstaos,tsl2772" },
{ .compatible = "amstaos,tmd2772" },
+ { .compatible = "avago,apds9930" },
{}
};
MODULE_DEVICE_TABLE(of, tsl2772_of_match);
@@ -1791,7 +1944,6 @@
},
.id_table = tsl2772_idtable,
.probe = tsl2772_probe,
- .remove = tsl2772_remove,
};
module_i2c_driver(tsl2772_driver);
diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c
index 06171cb..0dfc664 100644
--- a/drivers/iio/light/tsl4531.c
+++ b/drivers/iio/light/tsl4531.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tsl4531.c - Support for TAOS TSL4531 ambient light sensor
*
* Copyright 2013 Peter Meerwald <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for the TSL4531x family
* TSL45311/TSL45313: 7-bit I2C slave address 0x39
* TSL45315/TSL45317: 7-bit I2C slave address 0x29
diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c
index 68e5294..b995f21 100644
--- a/drivers/iio/light/us5182d.c
+++ b/drivers/iio/light/us5182d.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015 Intel Corporation
*
* Driver for UPISEMI us5182d Proximity and Ambient Light Sensor.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
* To do: Interrupt support.
*/
diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index 04fd0d4..16dacea 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -1,22 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4200 combined ambient
+ * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4040/4200 combined ambient
* light and proximity sensor
*
* Copyright 2012 Peter Meerwald <pmeerw@pmeerw.net>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
+ * Copyright 2019 Pursim SPC
*
* IIO driver for:
* VCNL4000/10/20 (7-bit I2C slave address 0x13)
+ * VCNL4040 (7-bit I2C slave address 0x60)
* VCNL4200 (7-bit I2C slave address 0x51)
*
* TODO:
* allow to adjust IR current
* proximity threshold and event handling
* periodic ALS/proximity measurement (VCNL4010/20)
- * interrupts (VCNL4010/20, VCNL4200)
+ * interrupts (VCNL4010/20/40, VCNL4200)
*/
#include <linux/module.h>
@@ -30,6 +29,7 @@
#define VCNL4000_DRV_NAME "vcnl4000"
#define VCNL4000_PROD_ID 0x01
#define VCNL4010_PROD_ID 0x02 /* for VCNL4020, VCNL4010 */
+#define VCNL4040_PROD_ID 0x86
#define VCNL4200_PROD_ID 0x58
#define VCNL4000_COMMAND 0x80 /* Command register */
@@ -49,6 +49,8 @@
#define VCNL4200_AL_DATA 0x09 /* Ambient light data */
#define VCNL4200_DEV_ID 0x0e /* Device ID, slave address and version */
+#define VCNL4040_DEV_ID 0x0c /* Device ID and version */
+
/* Bit masks for COMMAND register */
#define VCNL4000_AL_RDY BIT(6) /* ALS data ready? */
#define VCNL4000_PS_RDY BIT(5) /* proximity data ready? */
@@ -58,6 +60,7 @@
enum vcnl4000_device_ids {
VCNL4000,
VCNL4010,
+ VCNL4040,
VCNL4200,
};
@@ -90,6 +93,7 @@
{ "vcnl4000", VCNL4000 },
{ "vcnl4010", VCNL4010 },
{ "vcnl4020", VCNL4010 },
+ { "vcnl4040", VCNL4040 },
{ "vcnl4200", VCNL4200 },
{ }
};
@@ -128,31 +132,53 @@
static int vcnl4200_init(struct vcnl4000_data *data)
{
- int ret;
+ int ret, id;
ret = i2c_smbus_read_word_data(data->client, VCNL4200_DEV_ID);
if (ret < 0)
return ret;
- if ((ret & 0xff) != VCNL4200_PROD_ID)
- return -ENODEV;
+ id = ret & 0xff;
+
+ if (id != VCNL4200_PROD_ID) {
+ ret = i2c_smbus_read_word_data(data->client, VCNL4040_DEV_ID);
+ if (ret < 0)
+ return ret;
+
+ id = ret & 0xff;
+
+ if (id != VCNL4040_PROD_ID)
+ return -ENODEV;
+ }
+
+ dev_dbg(&data->client->dev, "device id 0x%x", id);
data->rev = (ret >> 8) & 0xf;
/* Set defaults and enable both channels */
- ret = i2c_smbus_write_byte_data(data->client, VCNL4200_AL_CONF, 0x00);
+ ret = i2c_smbus_write_word_data(data->client, VCNL4200_AL_CONF, 0);
if (ret < 0)
return ret;
- ret = i2c_smbus_write_byte_data(data->client, VCNL4200_PS_CONF1, 0x00);
+ ret = i2c_smbus_write_word_data(data->client, VCNL4200_PS_CONF1, 0);
if (ret < 0)
return ret;
data->al_scale = 24000;
data->vcnl4200_al.reg = VCNL4200_AL_DATA;
data->vcnl4200_ps.reg = VCNL4200_PS_DATA;
- /* Integration time is 50ms, but the experiments show 54ms in total. */
- data->vcnl4200_al.sampling_rate = ktime_set(0, 54000 * 1000);
- data->vcnl4200_ps.sampling_rate = ktime_set(0, 4200 * 1000);
+ switch (id) {
+ case VCNL4200_PROD_ID:
+ /* Integration time is 50ms, but the experiments */
+ /* show 54ms in total. */
+ data->vcnl4200_al.sampling_rate = ktime_set(0, 54000 * 1000);
+ data->vcnl4200_ps.sampling_rate = ktime_set(0, 4200 * 1000);
+ break;
+ case VCNL4040_PROD_ID:
+ /* Integration time is 80ms, add 10ms. */
+ data->vcnl4200_al.sampling_rate = ktime_set(0, 100000 * 1000);
+ data->vcnl4200_ps.sampling_rate = ktime_set(0, 100000 * 1000);
+ break;
+ }
data->vcnl4200_al.last_measurement = ktime_set(0, 0);
data->vcnl4200_ps.last_measurement = ktime_set(0, 0);
mutex_init(&data->vcnl4200_al.lock);
@@ -271,6 +297,12 @@
.measure_light = vcnl4000_measure_light,
.measure_proximity = vcnl4000_measure_proximity,
},
+ [VCNL4040] = {
+ .prod = "VCNL4040",
+ .init = vcnl4200_init,
+ .measure_light = vcnl4200_measure_light,
+ .measure_proximity = vcnl4200_measure_proximity,
+ },
[VCNL4200] = {
.prod = "VCNL4200",
.init = vcnl4200_init,
@@ -363,9 +395,35 @@
return devm_iio_device_register(&client->dev, indio_dev);
}
+static const struct of_device_id vcnl_4000_of_match[] = {
+ {
+ .compatible = "vishay,vcnl4000",
+ .data = (void *)VCNL4000,
+ },
+ {
+ .compatible = "vishay,vcnl4010",
+ .data = (void *)VCNL4010,
+ },
+ {
+ .compatible = "vishay,vcnl4020",
+ .data = (void *)VCNL4010,
+ },
+ {
+ .compatible = "vishay,vcnl4040",
+ .data = (void *)VCNL4040,
+ },
+ {
+ .compatible = "vishay,vcnl4200",
+ .data = (void *)VCNL4200,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, vcnl_4000_of_match);
+
static struct i2c_driver vcnl4000_driver = {
.driver = {
.name = VCNL4000_DRV_NAME,
+ .of_match_table = vcnl_4000_of_match,
},
.probe = vcnl4000_probe,
.id_table = vcnl4000_id,
diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c
new file mode 100644
index 0000000..cca4db3
--- /dev/null
+++ b/drivers/iio/light/vcnl4035.c
@@ -0,0 +1,676 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * VCNL4035 Ambient Light and Proximity Sensor - 7-bit I2C slave address 0x60
+ *
+ * Copyright (c) 2018, DENX Software Engineering GmbH
+ * Author: Parthiban Nallathambi <pn@denx.de>
+ *
+ * TODO: Proximity
+ */
+#include <linux/bitops.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+
+#include <linux/iio/buffer.h>
+#include <linux/iio/events.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/trigger.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
+
+#define VCNL4035_DRV_NAME "vcnl4035"
+#define VCNL4035_IRQ_NAME "vcnl4035_event"
+#define VCNL4035_REGMAP_NAME "vcnl4035_regmap"
+
+/* Device registers */
+#define VCNL4035_ALS_CONF 0x00
+#define VCNL4035_ALS_THDH 0x01
+#define VCNL4035_ALS_THDL 0x02
+#define VCNL4035_ALS_DATA 0x0B
+#define VCNL4035_WHITE_DATA 0x0C
+#define VCNL4035_INT_FLAG 0x0D
+#define VCNL4035_DEV_ID 0x0E
+
+/* Register masks */
+#define VCNL4035_MODE_ALS_MASK BIT(0)
+#define VCNL4035_MODE_ALS_WHITE_CHAN BIT(8)
+#define VCNL4035_MODE_ALS_INT_MASK BIT(1)
+#define VCNL4035_ALS_IT_MASK GENMASK(7, 5)
+#define VCNL4035_ALS_PERS_MASK GENMASK(3, 2)
+#define VCNL4035_INT_ALS_IF_H_MASK BIT(12)
+#define VCNL4035_INT_ALS_IF_L_MASK BIT(13)
+
+/* Default values */
+#define VCNL4035_MODE_ALS_ENABLE BIT(0)
+#define VCNL4035_MODE_ALS_DISABLE 0x00
+#define VCNL4035_MODE_ALS_INT_ENABLE BIT(1)
+#define VCNL4035_MODE_ALS_INT_DISABLE 0
+#define VCNL4035_DEV_ID_VAL 0x80
+#define VCNL4035_ALS_IT_DEFAULT 0x01
+#define VCNL4035_ALS_PERS_DEFAULT 0x00
+#define VCNL4035_ALS_THDH_DEFAULT 5000
+#define VCNL4035_ALS_THDL_DEFAULT 100
+#define VCNL4035_SLEEP_DELAY_MS 2000
+
+struct vcnl4035_data {
+ struct i2c_client *client;
+ struct regmap *regmap;
+ unsigned int als_it_val;
+ unsigned int als_persistence;
+ unsigned int als_thresh_low;
+ unsigned int als_thresh_high;
+ struct iio_trigger *drdy_trigger0;
+};
+
+static inline bool vcnl4035_is_triggered(struct vcnl4035_data *data)
+{
+ int ret;
+ int reg;
+
+ ret = regmap_read(data->regmap, VCNL4035_INT_FLAG, ®);
+ if (ret < 0)
+ return false;
+
+ return !!(reg &
+ (VCNL4035_INT_ALS_IF_H_MASK | VCNL4035_INT_ALS_IF_L_MASK));
+}
+
+static irqreturn_t vcnl4035_drdy_irq_thread(int irq, void *private)
+{
+ struct iio_dev *indio_dev = private;
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+
+ if (vcnl4035_is_triggered(data)) {
+ iio_push_event(indio_dev, IIO_UNMOD_EVENT_CODE(IIO_LIGHT,
+ 0,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_EITHER),
+ iio_get_time_ns(indio_dev));
+ iio_trigger_poll_chained(data->drdy_trigger0);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+/* Triggered buffer */
+static irqreturn_t vcnl4035_trigger_consumer_handler(int irq, void *p)
+{
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ u8 buffer[ALIGN(sizeof(u16), sizeof(s64)) + sizeof(s64)];
+ int ret;
+
+ ret = regmap_read(data->regmap, VCNL4035_ALS_DATA, (int *)buffer);
+ if (ret < 0) {
+ dev_err(&data->client->dev,
+ "Trigger consumer can't read from sensor.\n");
+ goto fail_read;
+ }
+ iio_push_to_buffers_with_timestamp(indio_dev, buffer,
+ iio_get_time_ns(indio_dev));
+
+fail_read:
+ iio_trigger_notify_done(indio_dev->trig);
+
+ return IRQ_HANDLED;
+}
+
+static int vcnl4035_als_drdy_set_state(struct iio_trigger *trigger,
+ bool enable_drdy)
+{
+ struct iio_dev *indio_dev = iio_trigger_get_drvdata(trigger);
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int val = enable_drdy ? VCNL4035_MODE_ALS_INT_ENABLE :
+ VCNL4035_MODE_ALS_INT_DISABLE;
+
+ return regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_MODE_ALS_INT_MASK,
+ val);
+}
+
+static const struct iio_trigger_ops vcnl4035_trigger_ops = {
+ .validate_device = iio_trigger_validate_own_device,
+ .set_trigger_state = vcnl4035_als_drdy_set_state,
+};
+
+static int vcnl4035_set_pm_runtime_state(struct vcnl4035_data *data, bool on)
+{
+ int ret;
+ struct device *dev = &data->client->dev;
+
+ if (on) {
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0)
+ pm_runtime_put_noidle(dev);
+ } else {
+ pm_runtime_mark_last_busy(dev);
+ ret = pm_runtime_put_autosuspend(dev);
+ }
+
+ return ret;
+}
+
+/*
+ * Device IT INT Time (ms) Scale (lux/step)
+ * 000 50 0.064
+ * 001 100 0.032
+ * 010 200 0.016
+ * 100 400 0.008
+ * 101 - 111 800 0.004
+ * Values are proportional, so ALS INT is selected for input due to
+ * simplicity reason. Integration time value and scaling is
+ * calculated based on device INT value
+ *
+ * Raw value needs to be scaled using ALS steps
+ */
+static int vcnl4035_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val,
+ int *val2, long mask)
+{
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int ret;
+ int raw_data;
+ unsigned int reg;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ ret = vcnl4035_set_pm_runtime_state(data, true);
+ if (ret < 0)
+ return ret;
+
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (!ret) {
+ if (chan->channel)
+ reg = VCNL4035_ALS_DATA;
+ else
+ reg = VCNL4035_WHITE_DATA;
+ ret = regmap_read(data->regmap, reg, &raw_data);
+ iio_device_release_direct_mode(indio_dev);
+ if (!ret) {
+ *val = raw_data;
+ ret = IIO_VAL_INT;
+ }
+ }
+ vcnl4035_set_pm_runtime_state(data, false);
+ return ret;
+ case IIO_CHAN_INFO_INT_TIME:
+ *val = 50;
+ if (data->als_it_val)
+ *val = data->als_it_val * 100;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SCALE:
+ *val = 64;
+ if (!data->als_it_val)
+ *val2 = 1000;
+ else
+ *val2 = data->als_it_val * 2 * 1000;
+ return IIO_VAL_FRACTIONAL;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int vcnl4035_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ int ret;
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+
+ switch (mask) {
+ case IIO_CHAN_INFO_INT_TIME:
+ if (val <= 0 || val > 800)
+ return -EINVAL;
+
+ ret = vcnl4035_set_pm_runtime_state(data, true);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_ALS_IT_MASK,
+ val / 100);
+ if (!ret)
+ data->als_it_val = val / 100;
+
+ vcnl4035_set_pm_runtime_state(data, false);
+ return ret;
+ default:
+ return -EINVAL;
+ }
+}
+
+/* No direct ABI for persistence and threshold, so eventing */
+static int vcnl4035_read_thresh(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan, enum iio_event_type type,
+ enum iio_event_direction dir, enum iio_event_info info,
+ int *val, int *val2)
+{
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ *val = data->als_thresh_high;
+ return IIO_VAL_INT;
+ case IIO_EV_DIR_FALLING:
+ *val = data->als_thresh_low;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IIO_EV_INFO_PERIOD:
+ *val = data->als_persistence;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+
+}
+
+static int vcnl4035_write_thresh(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan, enum iio_event_type type,
+ enum iio_event_direction dir, enum iio_event_info info, int val,
+ int val2)
+{
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int ret;
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ /* 16 bit threshold range 0 - 65535 */
+ if (val < 0 || val > 65535)
+ return -EINVAL;
+ if (dir == IIO_EV_DIR_RISING) {
+ if (val < data->als_thresh_low)
+ return -EINVAL;
+ ret = regmap_write(data->regmap, VCNL4035_ALS_THDH,
+ val);
+ if (ret)
+ return ret;
+ data->als_thresh_high = val;
+ } else {
+ if (val > data->als_thresh_high)
+ return -EINVAL;
+ ret = regmap_write(data->regmap, VCNL4035_ALS_THDL,
+ val);
+ if (ret)
+ return ret;
+ data->als_thresh_low = val;
+ }
+ return ret;
+ case IIO_EV_INFO_PERIOD:
+ /* allow only 1 2 4 8 as persistence value */
+ if (val < 0 || val > 8 || hweight8(val) != 1)
+ return -EINVAL;
+ ret = regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_ALS_PERS_MASK, val);
+ if (!ret)
+ data->als_persistence = val;
+ return ret;
+ default:
+ return -EINVAL;
+ }
+}
+
+static IIO_CONST_ATTR_INT_TIME_AVAIL("50 100 200 400 800");
+
+static struct attribute *vcnl4035_attributes[] = {
+ &iio_const_attr_integration_time_available.dev_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group vcnl4035_attribute_group = {
+ .attrs = vcnl4035_attributes,
+};
+
+static const struct iio_info vcnl4035_info = {
+ .read_raw = vcnl4035_read_raw,
+ .write_raw = vcnl4035_write_raw,
+ .read_event_value = vcnl4035_read_thresh,
+ .write_event_value = vcnl4035_write_thresh,
+ .attrs = &vcnl4035_attribute_group,
+};
+
+static const struct iio_event_spec vcnl4035_event_spec[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_RISING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE),
+ }, {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_FALLING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE),
+ }, {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_EITHER,
+ .mask_separate = BIT(IIO_EV_INFO_PERIOD),
+ },
+};
+
+enum vcnl4035_scan_index_order {
+ VCNL4035_CHAN_INDEX_LIGHT,
+ VCNL4035_CHAN_INDEX_WHITE_LED,
+};
+
+static const struct iio_buffer_setup_ops iio_triggered_buffer_setup_ops = {
+ .validate_scan_mask = &iio_validate_scan_mask_onehot,
+};
+
+static const struct iio_chan_spec vcnl4035_channels[] = {
+ {
+ .type = IIO_LIGHT,
+ .channel = 0,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_INT_TIME) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .event_spec = vcnl4035_event_spec,
+ .num_event_specs = ARRAY_SIZE(vcnl4035_event_spec),
+ .scan_index = VCNL4035_CHAN_INDEX_LIGHT,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_LE,
+ },
+ },
+ {
+ .type = IIO_INTENSITY,
+ .channel = 1,
+ .modified = 1,
+ .channel2 = IIO_MOD_LIGHT_BOTH,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .scan_index = VCNL4035_CHAN_INDEX_WHITE_LED,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_LE,
+ },
+ },
+};
+
+static int vcnl4035_set_als_power_state(struct vcnl4035_data *data, u8 status)
+{
+ return regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_MODE_ALS_MASK,
+ status);
+}
+
+static int vcnl4035_init(struct vcnl4035_data *data)
+{
+ int ret;
+ int id;
+
+ ret = regmap_read(data->regmap, VCNL4035_DEV_ID, &id);
+ if (ret < 0) {
+ dev_err(&data->client->dev, "Failed to read DEV_ID register\n");
+ return ret;
+ }
+
+ if (id != VCNL4035_DEV_ID_VAL) {
+ dev_err(&data->client->dev, "Wrong id, got %x, expected %x\n",
+ id, VCNL4035_DEV_ID_VAL);
+ return -ENODEV;
+ }
+
+ ret = vcnl4035_set_als_power_state(data, VCNL4035_MODE_ALS_ENABLE);
+ if (ret < 0)
+ return ret;
+
+ /* ALS white channel enable */
+ ret = regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_MODE_ALS_WHITE_CHAN,
+ 1);
+ if (ret) {
+ dev_err(&data->client->dev, "set white channel enable %d\n",
+ ret);
+ return ret;
+ }
+
+ /* set default integration time - 100 ms for ALS */
+ ret = regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_ALS_IT_MASK,
+ VCNL4035_ALS_IT_DEFAULT);
+ if (ret) {
+ dev_err(&data->client->dev, "set default ALS IT returned %d\n",
+ ret);
+ return ret;
+ }
+ data->als_it_val = VCNL4035_ALS_IT_DEFAULT;
+
+ /* set default persistence time - 1 for ALS */
+ ret = regmap_update_bits(data->regmap, VCNL4035_ALS_CONF,
+ VCNL4035_ALS_PERS_MASK,
+ VCNL4035_ALS_PERS_DEFAULT);
+ if (ret) {
+ dev_err(&data->client->dev, "set default PERS returned %d\n",
+ ret);
+ return ret;
+ }
+ data->als_persistence = VCNL4035_ALS_PERS_DEFAULT;
+
+ /* set default HIGH threshold for ALS */
+ ret = regmap_write(data->regmap, VCNL4035_ALS_THDH,
+ VCNL4035_ALS_THDH_DEFAULT);
+ if (ret) {
+ dev_err(&data->client->dev, "set default THDH returned %d\n",
+ ret);
+ return ret;
+ }
+ data->als_thresh_high = VCNL4035_ALS_THDH_DEFAULT;
+
+ /* set default LOW threshold for ALS */
+ ret = regmap_write(data->regmap, VCNL4035_ALS_THDL,
+ VCNL4035_ALS_THDL_DEFAULT);
+ if (ret) {
+ dev_err(&data->client->dev, "set default THDL returned %d\n",
+ ret);
+ return ret;
+ }
+ data->als_thresh_low = VCNL4035_ALS_THDL_DEFAULT;
+
+ return 0;
+}
+
+static bool vcnl4035_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case VCNL4035_ALS_CONF:
+ case VCNL4035_DEV_ID:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static const struct regmap_config vcnl4035_regmap_config = {
+ .name = VCNL4035_REGMAP_NAME,
+ .reg_bits = 8,
+ .val_bits = 16,
+ .max_register = VCNL4035_DEV_ID,
+ .cache_type = REGCACHE_RBTREE,
+ .volatile_reg = vcnl4035_is_volatile_reg,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
+};
+
+static int vcnl4035_probe_trigger(struct iio_dev *indio_dev)
+{
+ int ret;
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+
+ data->drdy_trigger0 = devm_iio_trigger_alloc(
+ indio_dev->dev.parent,
+ "%s-dev%d", indio_dev->name, indio_dev->id);
+ if (!data->drdy_trigger0)
+ return -ENOMEM;
+
+ data->drdy_trigger0->dev.parent = indio_dev->dev.parent;
+ data->drdy_trigger0->ops = &vcnl4035_trigger_ops;
+ iio_trigger_set_drvdata(data->drdy_trigger0, indio_dev);
+ ret = devm_iio_trigger_register(indio_dev->dev.parent,
+ data->drdy_trigger0);
+ if (ret) {
+ dev_err(&data->client->dev, "iio trigger register failed\n");
+ return ret;
+ }
+
+ /* Trigger setup */
+ ret = devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev,
+ NULL, vcnl4035_trigger_consumer_handler,
+ &iio_triggered_buffer_setup_ops);
+ if (ret < 0) {
+ dev_err(&data->client->dev, "iio triggered buffer setup failed\n");
+ return ret;
+ }
+
+ /* IRQ to trigger mapping */
+ ret = devm_request_threaded_irq(&data->client->dev, data->client->irq,
+ NULL, vcnl4035_drdy_irq_thread,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ VCNL4035_IRQ_NAME, indio_dev);
+ if (ret < 0)
+ dev_err(&data->client->dev, "request irq %d for trigger0 failed\n",
+ data->client->irq);
+ return ret;
+}
+
+static int vcnl4035_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct vcnl4035_data *data;
+ struct iio_dev *indio_dev;
+ struct regmap *regmap;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ regmap = devm_regmap_init_i2c(client, &vcnl4035_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "regmap_init failed!\n");
+ return PTR_ERR(regmap);
+ }
+
+ data = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ data->client = client;
+ data->regmap = regmap;
+
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->info = &vcnl4035_info;
+ indio_dev->name = VCNL4035_DRV_NAME;
+ indio_dev->channels = vcnl4035_channels;
+ indio_dev->num_channels = ARRAY_SIZE(vcnl4035_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = vcnl4035_init(data);
+ if (ret < 0) {
+ dev_err(&client->dev, "vcnl4035 chip init failed\n");
+ return ret;
+ }
+
+ if (client->irq > 0) {
+ ret = vcnl4035_probe_trigger(indio_dev);
+ if (ret < 0) {
+ dev_err(&client->dev, "vcnl4035 unable init trigger\n");
+ goto fail_poweroff;
+ }
+ }
+
+ ret = pm_runtime_set_active(&client->dev);
+ if (ret < 0)
+ goto fail_poweroff;
+
+ ret = iio_device_register(indio_dev);
+ if (ret < 0)
+ goto fail_poweroff;
+
+ pm_runtime_enable(&client->dev);
+ pm_runtime_set_autosuspend_delay(&client->dev, VCNL4035_SLEEP_DELAY_MS);
+ pm_runtime_use_autosuspend(&client->dev);
+
+ return 0;
+
+fail_poweroff:
+ vcnl4035_set_als_power_state(data, VCNL4035_MODE_ALS_DISABLE);
+ return ret;
+}
+
+static int vcnl4035_remove(struct i2c_client *client)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ pm_runtime_dont_use_autosuspend(&client->dev);
+ pm_runtime_disable(&client->dev);
+ iio_device_unregister(indio_dev);
+ pm_runtime_set_suspended(&client->dev);
+
+ return vcnl4035_set_als_power_state(iio_priv(indio_dev),
+ VCNL4035_MODE_ALS_DISABLE);
+}
+
+static int __maybe_unused vcnl4035_runtime_suspend(struct device *dev)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int ret;
+
+ ret = vcnl4035_set_als_power_state(data, VCNL4035_MODE_ALS_DISABLE);
+ regcache_mark_dirty(data->regmap);
+
+ return ret;
+}
+
+static int __maybe_unused vcnl4035_runtime_resume(struct device *dev)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int ret;
+
+ regcache_sync(data->regmap);
+ ret = vcnl4035_set_als_power_state(data, VCNL4035_MODE_ALS_ENABLE);
+ if (ret < 0)
+ return ret;
+
+ /* wait for 1 ALS integration cycle */
+ msleep(data->als_it_val * 100);
+
+ return 0;
+}
+
+static const struct dev_pm_ops vcnl4035_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(vcnl4035_runtime_suspend,
+ vcnl4035_runtime_resume, NULL)
+};
+
+static const struct of_device_id vcnl4035_of_match[] = {
+ { .compatible = "vishay,vcnl4035", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, vcnl4035_of_match);
+
+static struct i2c_driver vcnl4035_driver = {
+ .driver = {
+ .name = VCNL4035_DRV_NAME,
+ .pm = &vcnl4035_pm_ops,
+ .of_match_table = vcnl4035_of_match,
+ },
+ .probe = vcnl4035_probe,
+ .remove = vcnl4035_remove,
+};
+
+module_i2c_driver(vcnl4035_driver);
+
+MODULE_AUTHOR("Parthiban Nallathambi <pn@denx.de>");
+MODULE_DESCRIPTION("VCNL4035 Ambient Light Sensor driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c
index f4bf3c5..0be553a 100644
--- a/drivers/iio/light/veml6070.c
+++ b/drivers/iio/light/veml6070.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* veml6070.c - Support for Vishay VEML6070 UV A light sensor
*
* Copyright 2016 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for VEML6070 (7-bit I2C slave addresses 0x38 and 0x39)
*
* TODO: integration time, ACK signal
@@ -161,10 +158,10 @@
indio_dev->name = VEML6070_DRV_NAME;
indio_dev->modes = INDIO_DIRECT_MODE;
- data->client2 = i2c_new_dummy(client->adapter, VEML6070_ADDR_DATA_LSB);
- if (!data->client2) {
+ data->client2 = i2c_new_dummy_device(client->adapter, VEML6070_ADDR_DATA_LSB);
+ if (IS_ERR(data->client2)) {
dev_err(&client->dev, "i2c device for second chip address failed\n");
- return -ENODEV;
+ return PTR_ERR(data->client2);
}
data->config = VEML6070_IT_10 | VEML6070_COMMAND_RSRVD |
diff --git a/drivers/iio/light/vl6180.c b/drivers/iio/light/vl6180.c
index 192c77e..d9533a7 100644
--- a/drivers/iio/light/vl6180.c
+++ b/drivers/iio/light/vl6180.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vl6180.c - Support for STMicroelectronics VL6180 ALS, range and proximity
* sensor
@@ -5,10 +6,6 @@
* Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
* Copyright 2017 Manivannan Sadhasivam <manivannanece23@gmail.com>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* IIO driver for VL6180 (7-bit I2C slave address 0x29)
*
* Range: 0 to 100mm
diff --git a/drivers/iio/light/zopt2201.c b/drivers/iio/light/zopt2201.c
index 041ac9e..5f54f39 100644
--- a/drivers/iio/light/zopt2201.c
+++ b/drivers/iio/light/zopt2201.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* zopt2201.c - Support for IDT ZOPT2201 ambient light and UV B sensor
*
* Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
*
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
* Datasheet: https://www.idt.com/document/dst/zopt2201-datasheet
* 7-bit I2C slave addresses 0x53 (default) or 0x52 (programmed)
*