From e48471140e9fb8dd116ba49d2698bf4c0e18f49e Mon Sep 17 00:00:00 2001 From: Anton Bambura Date: Fri, 31 Dec 2021 11:20:23 +0200 Subject: [PATCH 2/5] ARM: dts: exynos: snow: use num-interpolated-steps for backlight Use num-interpolated-steps in backlight node to get more brightness levels. Signed-off-by: Anton Bambura --- arch/arm/boot/dts/exynos5250-snow-common.dtsi | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi index 7a0896ff0..5c6e74c52 100644 --- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi +++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi @@ -201,8 +201,9 @@ xxti { backlight: backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 1000000 0>; - brightness-levels = <0 100 500 1000 1500 2000 2500 2800>; - default-brightness-level = <7>; + brightness-levels = <1 255>; + num-interpolated-steps = <254>; + default-brightness-level = <254>; enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>; power-supply = <&fet1>; pinctrl-0 = <&pwm0_out>; -- 2.34.1