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SubjectRe: [PATCH] thinkpad_acpi: Add support for keyboard backlight
On Mon, Jan 4, 2016, at 18:12, Pavel Machek wrote:
> > This patch adds support for controlling keyboard backlight via standard
> > linux led class interface (::kbd_backlight). It uses ACPI HKEY device with
> > MLCG and MLCS methods.
> >
> > Signed-off-by: Pali Rohár <>
> > Tested-by: Fabio D'Urso <>
> On my thinkpad, keyboard light is controlled by
> /sys/class/leds/tpacpi\:\:thinklight/brightness
> (that's a bad name).

That's because the driver was not updated to support your laptop, AND I
don't recall if someone mapped the full behavior of the ACPI thinklight
interface in your thinkpad :-(

"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh

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