On Fri, Jul 03, 2020 at 08:45:38PM +0200, Sam Ravnborg wrote: > Based on an idea from Emil Velikov <emil.l.velikov@xxxxxxxxx> > add a helper that checks backlight_is_blank() and return 0 as brightness > if display is blank or the property value if not. > > This allows us to simplify the update_status() implementation > in most of the backlight drivers. > > Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx> > Cc: Lee Jones <lee.jones@xxxxxxxxxx> > Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > Cc: Jingoo Han <jingoohan1@xxxxxxxxx> Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
