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pwm: Add the pwm_is_enabled() helper

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Some PWM drivers are testing the PWMF_ENABLED flag. Create a helper
function to hide the logic behind enabled test. This will allow us to
smoothly move from the current approach to an atomic PWM update
approach.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris Brezillon 2015-07-01 10:21:47 +02:00 • committed by Thierry Reding
commit 5c31252c4a
13 changed files with 31 additions and 26 deletions
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