From c971ff185f6443e834686f140ba6d6e341ced600 Mon Sep 17 00:00:00 2001
From: Florian Vaussard <florian.vaussard@epfl.ch>
Date: Mon, 28 Jan 2013 06:00:59 -0800
Subject: [PATCH] leds: leds-pwm: Defer led_pwm_set() if PWM can sleep

Call to led_pwm_set() can happen inside atomic context, like triggers.
If the PWM call can sleep, defer using a worker.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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