Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 60c18f2..d27a564 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -30,6 +30,7 @@
#include <linux/input/sparse-keymap.h>
#include <acpi/video.h>
+ACPI_MODULE_NAME(KBUILD_MODNAME);
MODULE_AUTHOR("Carlos Corbacho");
MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
MODULE_LICENSE("GPL");
@@ -80,7 +81,7 @@
enum acer_wmi_event_ids {
WMID_HOTKEY_EVENT = 0x1,
- WMID_ACCEL_EVENT = 0x5,
+ WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
};
static const struct key_entry acer_wmi_keymap[] __initconst = {
@@ -111,6 +112,7 @@
{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
{KE_IGNORE, 0x81, {KEY_SLEEP} },
{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
+ {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
{KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
{KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
{KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
@@ -127,7 +129,9 @@
u8 function;
u8 key_num;
u16 device_state;
- u32 reserved;
+ u16 reserved1;
+ u8 kbd_dock_state;
+ u8 reserved2;
} __attribute__((packed));
/*
@@ -205,14 +209,13 @@
/*
* Interface capability flags
*/
-#define ACER_CAP_MAILLED (1<<0)
-#define ACER_CAP_WIRELESS (1<<1)
-#define ACER_CAP_BLUETOOTH (1<<2)
-#define ACER_CAP_BRIGHTNESS (1<<3)
-#define ACER_CAP_THREEG (1<<4)
-#define ACER_CAP_ACCEL (1<<5)
-#define ACER_CAP_RFBTN (1<<6)
-#define ACER_CAP_ANY (0xFFFFFFFF)
+#define ACER_CAP_MAILLED BIT(0)
+#define ACER_CAP_WIRELESS BIT(1)
+#define ACER_CAP_BLUETOOTH BIT(2)
+#define ACER_CAP_BRIGHTNESS BIT(3)
+#define ACER_CAP_THREEG BIT(4)
+#define ACER_CAP_SET_FUNCTION_MODE BIT(5)
+#define ACER_CAP_KBD_DOCK BIT(6)
/*
* Interface type flags
@@ -235,6 +238,7 @@
static int brightness = -1;
static int threeg = -1;
static int force_series;
+static int force_caps = -1;
static bool ec_raw_mode;
static bool has_type_aa;
static u16 commun_func_bitmap;
@@ -244,11 +248,13 @@
module_param(brightness, int, 0444);
module_param(threeg, int, 0444);
module_param(force_series, int, 0444);
+module_param(force_caps, int, 0444);
module_param(ec_raw_mode, bool, 0444);
MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
MODULE_PARM_DESC(force_series, "Force a different laptop series");
+MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
struct acer_data {
@@ -318,6 +324,15 @@
return 1;
}
+static int __init set_force_caps(const struct dmi_system_id *dmi)
+{
+ if (force_caps == -1) {
+ force_caps = (uintptr_t)dmi->driver_data;
+ pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
+ }
+ return 1;
+}
+
static struct quirk_entry quirk_unknown = {
};
@@ -496,6 +511,33 @@
},
.driver_data = &quirk_acer_travelmate_2490,
},
+ {
+ .callback = set_force_caps,
+ .ident = "Acer Aspire Switch 10E SW3-016",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
+ },
+ .driver_data = (void *)ACER_CAP_KBD_DOCK,
+ },
+ {
+ .callback = set_force_caps,
+ .ident = "Acer Aspire Switch 10 SW5-012",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+ },
+ .driver_data = (void *)ACER_CAP_KBD_DOCK,
+ },
+ {
+ .callback = set_force_caps,
+ .ident = "Acer One 10 (S1003)",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
+ },
+ .driver_data = (void *)ACER_CAP_KBD_DOCK,
+ },
{}
};
@@ -1252,10 +1294,8 @@
interface->capability |= ACER_CAP_THREEG;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
interface->capability |= ACER_CAP_BLUETOOTH;
- if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN) {
- interface->capability |= ACER_CAP_RFBTN;
+ if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
- }
commun_fn_key_number = type_aa->commun_fn_key_number;
}
@@ -1519,7 +1559,7 @@
struct acpi_buffer output;
union acpi_object out_obj[5];
- if (!has_cap(ACER_CAP_ACCEL))
+ if (!acer_wmi_accel_dev)
return -1;
output.length = sizeof(out_obj);
@@ -1543,6 +1583,71 @@
}
/*
+ * Switch series keyboard dock status
+ */
+static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
+{
+ switch (kbd_dock_state) {
+ case 0x01: /* Docked, traditional clamshell laptop mode */
+ return 0;
+ case 0x04: /* Stand-alone tablet */
+ case 0x40: /* Docked, tent mode, keyboard not usable */
+ return 1;
+ default:
+ pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
+ }
+
+ return 0;
+}
+
+static void acer_kbd_dock_get_initial_state(void)
+{
+ u8 *output, input[8] = { 0x05, 0x00, };
+ struct acpi_buffer input_buf = { sizeof(input), input };
+ struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ acpi_status status;
+ int sw_tablet_mode;
+
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "Error getting keyboard-dock initial status"));
+ return;
+ }
+
+ obj = output_buf.pointer;
+ if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
+ pr_err("Unexpected output format getting keyboard-dock initial status\n");
+ goto out_free_obj;
+ }
+
+ output = obj->buffer.pointer;
+ if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
+ pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
+ output[0], output[3]);
+ goto out_free_obj;
+ }
+
+ sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
+ input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
+
+out_free_obj:
+ kfree(obj);
+}
+
+static void acer_kbd_dock_event(const struct event_return_value *event)
+{
+ int sw_tablet_mode;
+
+ if (!has_cap(ACER_CAP_KBD_DOCK))
+ return;
+
+ sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
+ input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
+ input_sync(acer_wmi_input_dev);
+}
+
+/*
* Rfkill devices
*/
static void acer_rfkill_update(struct work_struct *ignored);
@@ -1769,8 +1874,9 @@
sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
}
break;
- case WMID_ACCEL_EVENT:
+ case WMID_ACCEL_OR_KBD_DOCK_EVENT:
acer_gsensor_event();
+ acer_kbd_dock_event(&return_value);
break;
default:
pr_warn("Unknown function number - %d - %d\n",
@@ -1893,8 +1999,6 @@
gsensor_handle = acpi_device_handle(adev);
acpi_dev_put(adev);
- interface->capability |= ACER_CAP_ACCEL;
-
acer_wmi_accel_dev = input_allocate_device();
if (!acer_wmi_accel_dev)
return -ENOMEM;
@@ -1920,11 +2024,6 @@
return err;
}
-static void acer_wmi_accel_destroy(void)
-{
- input_unregister_device(acer_wmi_accel_dev);
-}
-
static int __init acer_wmi_input_setup(void)
{
acpi_status status;
@@ -1942,6 +2041,9 @@
if (err)
goto err_free_dev;
+ if (has_cap(ACER_CAP_KBD_DOCK))
+ input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
+
status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
acer_wmi_notify, NULL);
if (ACPI_FAILURE(status)) {
@@ -1949,6 +2051,9 @@
goto err_free_dev;
}
+ if (has_cap(ACER_CAP_KBD_DOCK))
+ acer_kbd_dock_get_initial_state();
+
err = input_register_device(acer_wmi_input_dev);
if (err)
goto err_uninstall_notifier;
@@ -2079,7 +2184,7 @@
if (has_cap(ACER_CAP_BRIGHTNESS))
set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
- if (has_cap(ACER_CAP_ACCEL))
+ if (acer_wmi_accel_dev)
acer_gsensor_init();
return 0;
@@ -2180,7 +2285,7 @@
}
/* WMID always provides brightness methods */
interface->capability |= ACER_CAP_BRIGHTNESS;
- } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
+ } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
pr_err("No WMID device detection method found\n");
return -ENODEV;
}
@@ -2210,7 +2315,14 @@
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
interface->capability &= ~ACER_CAP_BRIGHTNESS;
- if (wmi_has_guid(WMID_GUID3)) {
+ if (wmi_has_guid(WMID_GUID3))
+ interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
+
+ if (force_caps != -1)
+ interface->capability = force_caps;
+
+ if (wmi_has_guid(WMID_GUID3) &&
+ (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
pr_warn("Cannot enable RF Button Driver\n");
@@ -2269,8 +2381,8 @@
error_platform_register:
if (wmi_has_guid(ACERWMID_EVENT_GUID))
acer_wmi_input_destroy();
- if (has_cap(ACER_CAP_ACCEL))
- acer_wmi_accel_destroy();
+ if (acer_wmi_accel_dev)
+ input_unregister_device(acer_wmi_accel_dev);
return err;
}
@@ -2280,8 +2392,8 @@
if (wmi_has_guid(ACERWMID_EVENT_GUID))
acer_wmi_input_destroy();
- if (has_cap(ACER_CAP_ACCEL))
- acer_wmi_accel_destroy();
+ if (acer_wmi_accel_dev)
+ input_unregister_device(acer_wmi_accel_dev);
remove_debugfs();
platform_device_unregister(acer_platform_device);