backlight: backlight: Improve backlight_properties documentation

Improve the documentation for backlight_properties and adapt it to
kernel-doc style.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Sam Ravnborg 2020-07-19 10:07:28 +02:00 • committed by Lee Jones
commit cabf161335