Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index 360da7d..4c53815 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Common library for ADIS16XXX devices
*
* Copyright 2012 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2 or later.
*/
#ifndef __IIO_ADIS_H__
@@ -21,11 +20,13 @@
#define ADIS_REG_PAGE_ID 0x00
struct adis;
+struct adis_burst;
/**
* struct adis_data - ADIS chip variant specific data
* @read_delay: SPI delay for read operations in us
* @write_delay: SPI delay for write operations in us
+ * @cs_change_delay: SPI delay between CS changes in us
* @glob_cmd_reg: Register address of the GLOB_CMD register
* @msc_ctrl_reg: Register address of the MSC_CTRL register
* @diag_stat_reg: Register address of the DIAG_STAT register
@@ -35,6 +36,7 @@
struct adis_data {
unsigned int read_delay;
unsigned int write_delay;
+ unsigned int cs_change_delay;
unsigned int glob_cmd_reg;
unsigned int msc_ctrl_reg;
@@ -57,6 +59,7 @@
struct iio_trigger *trig;
const struct adis_data *data;
+ struct adis_burst *burst;
struct mutex txrx_lock;
struct spi_message msg;
@@ -232,6 +235,18 @@
#ifdef CONFIG_IIO_ADIS_LIB_BUFFER
+/**
+ * struct adis_burst - ADIS data for burst transfers
+ * @en burst mode enabled
+ * @reg_cmd register command that triggers burst
+ * @extra_len extra length to account in the SPI RX buffer
+ */
+struct adis_burst {
+ bool en;
+ unsigned int reg_cmd;
+ unsigned int extra_len;
+};
+
int adis_setup_buffer_and_trigger(struct adis *adis,
struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *));
void adis_cleanup_buffer_and_trigger(struct adis *adis,