From: Laurent Pinchart <[email protected]> The backlight levels provided in the Draak DT produce a perceived brightness very biased towards high brightness. Use better brightness levels based on the CIE 1931 formula.
Signed-off-by: Laurent Pinchart <[email protected]> Reviewed-by: Ulrich Hecht <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts index 89df9bc844c0..db2bed1751b8 100644 --- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts +++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts @@ -28,8 +28,8 @@ compatible = "pwm-backlight"; pwms = <&pwm1 0 50000>; - brightness-levels = <256 128 64 16 8 4 0>; - default-brightness-level = <6>; + brightness-levels = <512 511 505 494 473 440 392 327 241 133 0>; + default-brightness-level = <10>; power-supply = <®_12p0v>; enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>; -- 2.11.0
