From: Kim, Milo <Milo.Kim@ti.com>
Date: Thu, 14 Mar 2013 11:29:26 +0000 (-0700)
Subject: leds: lm355x, lm3642: support camera LED triggers for flash and torch
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~22^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=313bf0b1a0eaeaac17ea8c4b748f16e28fce8b7a;p=pandora-kernel.git

leds: lm355x, lm3642: support camera LED triggers for flash and torch

LM355x and LM3642 support flash and torch functionality.

 (Camera driver)          (LED trigger for camera)       (LED driver)
 Turn on the flash  ...>  ledtrig_flash_ctrl(true) ...>  LM355x or LM3642
                                                         brightness ctrl
                                                       <actual driving here>

Flash/torch LEDs are controlled by other driver using LED camera trigger
APIs, ledtrig_flash_ctrl()/ledtrig_torch_ctrl().
Then, actual device control is activated by each LED driver such like
LM355x or LM3642.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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