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4 Commits

Author SHA1 Message Date
Jacek Anaszewski
648da8ff48 Documentation: leds: Add description of brightness setting API 
This patch adds description of the LED subsystem API for
setting an LED brightness.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
 2016-01-04 09:57:31 +01:00
Samuel Thibault
f60c8ba77d Input: export LEDs as class devices in sysfs 
This change creates a new input handler called "leds" that exports LEDs on input
devices as standard LED class devices in sysfs and allows controlling their
state via sysfs or via any of the standard LED triggers. This allows to
re-purpose and reassign LDEs on the keyboards to represent states other
than the standard keyboard states (CapsLock, NumLock, etc).

The old API of controlling input LEDs by writing into /dev/input/eventX
devices is still present and will take precedence over accessing via LEDs
subsystem (i.e. it may override state set by a trigger). If input device is
"grabbed" then requests coming through LED subsystem will be ignored.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-06-11 18:18:11 -07:00
Bryan Wu
ee31892aaf Documentation: fix leds-class.txt duplicated word 
Fix a typo (duplicated word) in Documentation/leds/leds-class.txt

Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Acked-by: Richard Purdie <rchard.purdie@linuxfoundation.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-04 12:01:48 -07:00
Antonio Ospite
9a684e19af Documentation: consolidate leds files to leds/ subdir 
leds: move leds-class documentation under the leds/ subdir.
Add also a leds/00-INDEX file describing the files under leds/

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-04-04 17:51:47 -07:00