pwm: Add pwm_get_polarity() helper function

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Some drivers are directly accessing the ->polarity field in pwm_device.
Add a helper to retrieve the current polarity so that we can easily move
this field elsewhere (required to support atomic update).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

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Boris Brezillon 2015-07-01 10:21:49 +02:00 • committed by Thierry Reding

parent a1cf42171a

commit 011e763148

1 changed files with 5 additions and 0 deletions

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include/linux/pwm.h

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