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authormarco.rodolfi@tuta.io <marco.rodolfi@tuta.io>2023-01-10 15:54:26 +0100
committerJiri Kosina <jkosina@suse.cz>2023-01-25 15:44:46 +0100
commitcb963b2c011a62838852c902eccb3f72e5d3dbb6 (patch)
tree6c3d0e303ff26c1683ee1a5fb5cd8a3be8b0eae4
parent29f316a1d7e0a570be9a47fa283ece53a67cebb7 (diff)
HID: Ignore battery for Elan touchscreen on Asus TP420IA
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@suse.cz: fix whitespace damage] Signed-off-by: Marco Rodolfi <marco.rodolfi@tuta.io> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--drivers/hid/hid-ids.h1
-rw-r--r--drivers/hid/hid-input.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index d01d798ebedc..46c0ce4203c0 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 9b59e436df0a..ea139dfccdbd 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),