video: backlight: Add of_find_backlight helper in backlight.c

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Add of_find_backlight, a helper function which is a generic version
of tinydrm_of_find_backlight that can be used by other drivers to avoid
repetition of code and simplify things.

Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/116d160ba78be2e6dcbdcb6855622bce67da9472.1516810725.git.meghana.madhyastha@gmail.com

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Meghana Madhyastha 2018-01-24 16:35:30 +00:00 • committed by Sean Paul

parent 5b698be049

commit c2adda27d2

2 changed files with 62 additions and 0 deletions

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43

drivers/video/backlight/backlight.c

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19

include/linux/backlight.h

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