[PATCH v4 17/20] backlight: use backligt_get_brightness()

[Daniel Thompson]

On Fri, Jul 03, 2020 at 08:45:43PM +0200, Sam Ravnborg wrote:
> Introduce the backlight_get_brightness() helper in all
> video/backlight/* drivers.
> This simplifies the code and align the implementation of the
> update_status() operation across the different backlight drivers.
> 
> Some of the drivers gains a little extra functionality by the change
> as they now respect the fb_blank() ioctl.
> 
> Signed-off-by: Sam Ravnborg <sam at ravnborg.org>

Reviewed-by: Daniel Thompson <daniel.thompson at linaro.org>


Daniel.