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authorThierry Reding <treding@nvidia.com>2013-08-30 11:51:22 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-03-28 18:40:16 +0200
commitaaa7a0c4587331ec1d92bf12c54b2928dc3cd602 (patch)
tree6fcbd262c06dbba034a1274a65e45815971edb29 /drivers/video
parent47be2c40872f5eebb568cc046e4ef145cfb1e0c7 (diff)
pwm-backlight: Add optional enable GPIO
To support a wider variety of backlight setups, introduce an optional enable GPIO. Legacy users of the platform data already have a means of supporting GPIOs by using the .init(), .exit() and .notify() hooks. DT users however cannot use those, so an alternative method is required. In order to ease the introduction of the optional enable GPIO, make it available in the platform data first, so that existing users can be converted. Once that has happened a second patch will add code to make use of it in the driver. Signed-off-by: Thierry Reding <treding@nvidia.com> (cherry picked from commit 2b9b1620349e325f184c68cddf3b484499c163c0)
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