tree d14f7c8ffa955bdb2fede9dfa9f434d30f629788
parent 5a09765ddedd34f176275c72ffbe567e428e2dfc
author Sam Ravnborg <sam@ravnborg.org> 1595146058 +0200
committer Lee Jones <lee.jones@linaro.org> 1595237224 +0100

backlight: cr_bllcd: Introduce gpio-backlight semantics

cr_bllcd can turn backlight ON or OFF.

Fix semantitics so they equals what we know from gpio-backlight.

 brightness == 0   => backlight off
 brightness == 1   => backlight on

Use the backlight_get_brightness() helper to simplify the code.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>