Re: [PATCH/RFC v10 01/19] leds: Add LED Flash class extension to the LED subsystem

[Pavel Machek <pavel@ucw.cz>]

On Fri 2015-01-09 16:22:51, Jacek Anaszewski wrote:
> 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: Bryan Wu <cooloney@gmail.com>
> Cc: Richard Purdie <rpurdie@rpsys.net>

Acked-by: Pavel Machek <pavel@ucw.cz>

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