pwm-backlight: Track enable state

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Follow up patches will add support for more complex means of powering
the backlight on and off such as using a regulator. To prevent calls to
the regulator API from becoming unbalanced, keep track of the enabled
state internally.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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Thierry Reding 2013-10-02 18:01:02 +02:00 • committed by Thierry Reding

parent 62b744a87c

commit 97c3843711

1 changed files with 11 additions and 0 deletions

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drivers/video/backlight/pwm_bl.c

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