Hi, On Wed, Oct 21, 2020 at 10:05 PM Alexandru Stan <amstan@xxxxxxxxxxxx> wrote: > > We want userspace to represent the human perceived brightness. > Since the led drivers and the leds themselves don't have a > linear response to the value we give them in terms of perceived > brightness, we'll bake the curve into the dts. > > The panel also doesn't have a good response under 5%, so we'll avoid > sending it anything lower than that. > > Note: Ideally this patch should be coupled with the driver change from > "backlight: pwm_bl: Fix interpolation", but it can work without it, > without looking too ugly. > > Signed-off-by: Alexandru Stan <amstan@xxxxxxxxxxxx> > --- > > arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>