Ed Blake a18afce522 pwm: img: Add suspend / resume handling
The power may be disabled during suspend, so implement suspend and
resume callbacks to save and restore register state.

Signed-off-by: Ed Blake <ed.blake@sondrel.com>
[thierry.reding@gmail.com: guard using PM_SLEEP instead of PM]
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-11-15 10:38:04 +01:00
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