On Mon, 5 Aug 2024, Hans de Goede wrote:
> Before this change there were 16 vid:pid based quirks to ignore the battery
> reported by Elan I2C-HID touchscreens on various Asus and HP laptops.
>
> And a report has been received that the 04F3:2A00 I2C touchscreen on
> the HP ProBook x360 11 G5 EE/86CF also reports a non present battery.
>
> Since I2C-HID devices are always builtin to laptops they are not battery
> owered so it should be safe to just ignore the battery on all Elan I2C-HID
> devices, rather then adding a 17th quirk for the 04F3:2A00 touchscreen.
>
> As reported in the changelog of commit a3a5a37efba1 ("HID: Ignore battery
> for ELAN touchscreens 2F2C and 4116"), which added 2 new Elan touchscreen
> quirks about a month ago, the HID reported battery seems to be related
> to a stylus being used. But even when a stylus is in use it does not
> properly report the charge of the stylus battery, instead the reported
> battery charge jumps from 0% to 1%. So it is best to just ignore the
> HID battery.
>
> Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2302776
> Cc: Louis Dalibard <ontake@xxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Let's see how that turns to work out :) Now queued in
hid.git#for-6.12/elan, thanks.
--
Jiri Kosina
SUSE Labs
