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3 Commits

Author SHA1 Message Date
Gabriele Mazzotta
6cff8d60aa platform: x86: dell-laptop: Add support for keyboard backlight 
This patch adds the support for the configuration of the keyboard
backlight on supported Dell laptops.

With this patch it is possible to set:
* keyboard backlight level
* timeout after which the backlight will be automatically turned off
* input activity triggers (keyboard, touchpad, mouse) that enable the backlight
* ambient light settings

The settings are exposed via /sys/class/leds/dell::kbd_backlight/

The code is based on the newly released documentation by Dell in the
libsmbios project.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
 2015-04-07 20:57:32 -07:00
Darren Hart
dc58376921 Revert "Documentation: Add entry for dell-laptop sysfs interface" 
This reverts commit 3161293ba6dfceee9c1efe75185677445def05d4.

This interface was determined to be flawed and required too invasive a
fix for the RC cycle. This will be revisited in 3.20.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
 2015-01-23 11:10:12 -08:00
Gabriele Mazzotta
3161293ba6 Documentation: Add entry for dell-laptop sysfs interface 
Add the documentation for the new sysfs interface of dell-laptop
that allows to configure the keyboard illumination on Dell systems.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
 2014-12-10 21:07:29 -08:00