[PATCH AUTOSEL 6.6 35/35] HID: Ignore battery for ELAN touchscreens 2F2C and 4116

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From: Louis Dalibard <ontake@xxxxxxxxxx>

[ Upstream commit a3a5a37efba11b7cf1a86abe7bccfbcdb521764e ]

At least ASUS Zenbook 14 (2023) and ASUS Zenbook 14 Pro (2023) are affected.

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.

[jkosina@xxxxxxxx: reformatted changelog a bit]
Signed-off-by: Louis Dalibard <ontake@xxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/hid/hid-ids.h   | 2 ++
 drivers/hid/hid-input.c | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0a4daff4846ff..cee09538c9aa2 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -418,6 +418,8 @@
 #define I2C_DEVICE_ID_HP_SPECTRE_X360_13_AW0020NG  0x29DF
 #define I2C_DEVICE_ID_ASUS_TP420IA_TOUCHSCREEN 0x2BC8
 #define I2C_DEVICE_ID_ASUS_GV301RA_TOUCHSCREEN 0x2C82
+#define I2C_DEVICE_ID_ASUS_UX3402_TOUCHSCREEN 0x2F2C
+#define I2C_DEVICE_ID_ASUS_UX6404_TOUCHSCREEN 0x4116
 #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 8bb16e9b94aa5..c9094a4f281e9 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -377,6 +377,10 @@ static const struct hid_device_id hid_battery_quirks[] = {
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_ASUS_GV301RA_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_ASUS_UX3402_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_ASUS_UX6404_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN),
-- 
2.43.0





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