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author | Hans de Goede <hdegoede@redhat.com> | 2024-08-05 16:51:47 +0200 |
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committer | Jiri Kosina <jkosina@suse.com> | 2024-08-06 08:42:53 +0200 |
commit | bcc31692a1d1e21f0d06c5f727c03ee299d2264e (patch) | |
tree | 1d45efdd8ee6de35d0b450daaf2494c6831a993b /Documentation/devicetree/bindings/input | |
parent | Merge tag 'for-linus-2024072901' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
download | linux-bcc31692a1d1e21f0d06c5f727c03ee299d2264e.tar.xz linux-bcc31692a1d1e21f0d06c5f727c03ee299d2264e.zip |
HID: Ignore battery for all ELAN I2C-HID devices
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@ontake.dev>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
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