pwm-backlight: make power-supply as option
authorKever Yang <kever.yang@rock-chips.com>
Fri, 9 Feb 2018 02:45:12 +0000 (10:45 +0800)
committerAnatolij Gustschin <agust@denx.de>
Tue, 6 Mar 2018 09:17:15 +0000 (10:17 +0100)
commit19f124d8295f17f23bc4b6d050f96b9d9d651d9f
tree98786edc92c4da9c871070bb6d1fcf7923c6da5a
parent9ffa4d12a850c6fb8b9b8f7d5fc31ac28633fcdb
pwm-backlight: make power-supply as option

Some pwm backlight may not need 'power-supply', let's make it as option
in pwm-backlight driver.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
drivers/video/pwm_backlight.c