Commit a3a5a37e authored by Louis Dalibard's avatar Louis Dalibard Committed by Jiri Kosina
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HID: Ignore battery for ELAN touchscreens 2F2C and 4116 



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@suse.com: reformatted changelog a bit]
Signed-off-by: default avatarLouis Dalibard <ontake@ontake.dev>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.com>
parent 0eafc58f

drivers/hid/hid-ids.h

+2 −0
Original line number Diff line number Diff line
@@ -423,6 +423,8 @@ 
#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

drivers/hid/hid-input.c

+4 −0
Original line number Diff line number Diff line
@@ -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),