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leds: leds-pwm: Defer led_pwm_set() if PWM can sleep
authorFlorian Vaussard <florian.vaussard@epfl.ch>
Mon, 28 Jan 2013 14:00:59 +0000 (06:00 -0800)
committerBryan Wu <cooloney@gmail.com>
Mon, 1 Apr 2013 18:04:50 +0000 (11:04 -0700)
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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