linux/drivers/leds
Jacek Anaszewski 7aea8389a7 leds: Add LED Flash class extension to the LED subsystem
Some LED devices support two operation modes - torch and flash.
This patch provides support for flash LED devices in the LED subsystem
by introducing new sysfs attributes and kernel internal interface.
The attributes being introduced are: flash_brightness, flash_strobe,
flash_timeout, max_flash_timeout, max_flash_brightness, flash_fault,
flash_sync_strobe and available_sync_leds. All the flash related
features are placed in a separate module.

The modifications aim to be compatible with V4L2 framework requirements
related to the flash devices management. The design assumes that V4L2
sub-device can take of the LED class device control and communicate
with it through the kernel internal interface. When V4L2 Flash sub-device
file is opened, the LED class device sysfs interface is made
unavailable.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2015-01-26 14:59:08 -08:00
..
trigger leds: Add support for setting brightness in a synchronous way 2014-11-14 14:29:35 -08:00
dell-led.c dell-led: add mic mute led interface 2014-05-08 14:28:07 +08:00
Kconfig leds: Add LED Flash class extension to the LED subsystem 2015-01-26 14:59:08 -08:00
led-class-flash.c leds: Add LED Flash class extension to the LED subsystem 2015-01-26 14:59:08 -08:00
led-class.c leds: Add LED Flash class extension to the LED subsystem 2015-01-26 14:59:08 -08:00
led-core.c leds: Add support for setting brightness in a synchronous way 2014-11-14 14:29:35 -08:00
led-triggers.c leds: implement sysfs interface locking mechanism 2014-11-14 14:29:35 -08:00
leds-88pm860x.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-adp5520.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-asic3.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-bd2802.c leds: Remove duplicated OOM message for individual driver 2014-05-08 14:28:08 +08:00
leds-blinkm.c leds: blinkm: remove unnecessary spaces 2014-02-27 10:19:57 -08:00
leds-clevo-mail.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-cobalt-qube.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-cobalt-raq.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-da903x.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-da9052.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-dac124s085.c
leds-fsg.c
leds-gpio-register.c led: gpio: Fix possible ZERO_SIZE_PTR pointer dereferencing error. 2014-09-29 10:21:01 -07:00
leds-gpio.c More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
leds-hp6xx.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-ipaq-micro.c leds: ipaq-micro: fix sparse non static symbol warning 2014-07-29 10:57:20 -07:00
leds-lm355x.c leds: lm355x: fix attribute-creation race 2014-06-25 15:10:54 -07:00
leds-lm3530.c leds: lm3550: fix attribute-creation race 2014-06-25 15:00:55 -07:00
leds-lm3533.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-lm3642.c leds: lm3642: fix attribute-creation race 2014-06-25 15:13:08 -07:00
leds-locomo.c
leds-lp55xx-common.c leds: lp55xx-common: fix attribute-creation race 2014-06-27 13:44:05 -07:00
leds-lp55xx-common.h
leds-lp3944.c leds: lp3944: fix sparse warning 2014-09-11 16:55:27 -07:00
leds-lp5521.c
leds-lp5523.c leds: lp55xx: add DT bindings for LP55231 2014-05-08 14:28:08 +08:00
leds-lp5562.c
leds-lp8501.c
leds-lp8788.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-lp8860.c leds: lp8860: Introduce TI lp8860 4 channel LED driver 2014-11-19 10:33:06 -08:00
leds-lt3593.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-max8997.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-mc13783.c leds: leds-mc13783: Use of_get_child_by_name() instead of refcount hack 2015-01-14 10:40:20 -08:00
leds-menf21bmc.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-net48xx.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-netxbig.c leds: netxbig: fix oops at probe time 2015-01-13 13:49:01 -08:00
leds-ns2.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-ot200.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-pca955x.c
leds-pca963x.c leds:pca963x: Always initialize MODE2 register 2014-07-03 11:55:56 -07:00
leds-pca9532.c driver:gpio remove all usage of gpio_remove retval in driver 2014-09-18 11:03:10 -07:00
leds-pwm.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-rb532.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-regulator.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2014-12-15 18:28:25 -08:00
leds-s3c24xx.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-ss4200.c leds: ss4200: fix attribute-creation race 2014-06-25 15:34:24 -07:00
leds-sunfire.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-syscon.c leds: syscon: handle multiple syscon instances 2014-11-14 14:29:35 -08:00
leds-tca6507.c driver:gpio remove all usage of gpio_remove retval in driver 2014-09-18 11:03:10 -07:00
leds-versatile.c ARM/leds: move ARM Versatile LED driver to leds subsystem 2014-03-28 10:54:15 +01:00
leds-wm831x-status.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-wm8350.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds-wrap.c leds: drop owner assignment from platform_drivers 2014-10-20 16:20:43 +02:00
leds.h leds: Don't allow brightness values greater than max_brightness 2015-01-14 10:40:19 -08:00
Makefile leds: Add LED Flash class extension to the LED subsystem 2015-01-26 14:59:08 -08:00