[v2] HID: Ignore battery for ELAN touchscreen 29DF on HP

Commit Message

Luka Guzenko Feb. 1, 2023, 1:14 a.m. UTC

The touchscreen reports a battery status of 0% and jumps to 1% when a
stylus is used. The device ID was added and the battery ignore quirk was
enabled for it.

Signed-off-by: Luka Guzenko <[e-mail]>
---
V1 -> V2: linux-hardware.org suggests that this touchscreen is present in all
	  devices of the Spectre x360 13-aw0xxx family. Renamed Device_ID
 drivers/hid/hid-ids.h   | 1 +
 drivers/hid/hid-input.c | 2 ++
 2 files changed, 3 insertions(+)

--
2.39.1

Patch

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 82713ef3aaa6..78f4846e5711 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -414,6 +414,7 @@ 
 #define I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100	0x29CF
 #define I2C_DEVICE_ID_HP_ENVY_X360_EU0009NV	0x2CF9
 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15	0x2817
+#define I2C_DEVICE_ID_HP_SPECTRE_X360_13_AW0XXX    0x29DF
 #define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN	0x2544
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN	0x261A
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 9b59e436df0a..27f17fafce58 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -384,6 +384,8 @@  static const struct hid_device_id hid_battery_quirks[] = {
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_13_AW0XXX),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN),