This is a note to let you know that I've just added the patch titled HID: Ignore battery for Elan touchscreen on Asus TP420IA to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: hid-ignore-battery-for-elan-touchscreen-on-asus-tp42.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e9aee363c6b1def4e47b214c753bb43ffadc90c8 Author: marco.rodolfi@xxxxxxx <marco.rodolfi@xxxxxxx> Date: Tue Jan 10 15:54:26 2023 +0100 HID: Ignore battery for Elan touchscreen on Asus TP420IA [ Upstream commit cb963b2c011a62838852c902eccb3f72e5d3dbb6 ] This device has a touchscreen thats report a battery even if it doesn't have one. Ask Linux to ignore the battery so it will not always report it as low. [jkosina@xxxxxxx: fix whitespace damage] Signed-off-by: Marco Rodolfi <marco.rodolfi@xxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index d01d798ebedca..46c0ce4203c08 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -413,6 +413,7 @@ #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_ASUS_TP420IA_TOUCHSCREEN 0x2BC8 #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 3ee5a9fea20e6..3736b0afbff73 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -370,6 +370,8 @@ static const struct hid_device_id hid_battery_quirks[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD), HID_BATTERY_QUIRK_IGNORE }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_ASUS_TP420IA_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),