Skip to content

Commit

Permalink
HID: add Lenovo Yoga C630 battery quirk
Browse files Browse the repository at this point in the history
Similar to the Surface Go devices, the Elantech touchscreen/digitizer in
the Lenovo Yoga C630 mistakenly reports the battery of the stylus, and
always reports an empty battery.

Apply the HID_BATTERY_QUIRK_IGNORE quirk to ignore this battery and
prevent the erroneous low battery warnings.

Signed-off-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
  • Loading branch information
Steev Klimaszewski authored and Jiri Kosina committed Aug 25, 2022
1 parent adada3f commit 3a47fa7
Show file tree
Hide file tree
Showing 2 changed files with 3 additions and 0 deletions.
1 change: 1 addition & 0 deletions drivers/hid/hid-ids.h
Original file line number Diff line number Diff line change
Expand Up @@ -414,6 +414,7 @@
#define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706
#define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN 0x261A
#define I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN 0x2A1C
#define I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN 0x279F

#define USB_VENDOR_ID_ELECOM 0x056e
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
Expand Down
2 changes: 2 additions & 0 deletions drivers/hid/hid-input.c
Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN),
HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN),
HID_BATTERY_QUIRK_IGNORE },
{}
};

Expand Down

0 comments on commit 3a47fa7

Please sign in to comment.