dt-bindings: pwm-backlight: Move brightness-levels to optional

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The patch 'backlight: pwm_bl: compute brightness of LED linearly to
human eye' introduced a default brightness-levels table that is used
when brightness-levels is not available in the dts. So move
brightness-levels and default-brightness-level to be optional.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

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Enric Balletbo i Serra 2018-04-09 10:33:33 +02:00 • committed by Lee Jones

parent 88ba95bedb

commit c8cc0f0460

1 changed files with 8 additions and 7 deletions

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Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt

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