pmaports/device/testing/linux-postmarketos-exynos5/0018-ARM-dts-exynos-snow-use-num-interpolated-steps-for-b.patch

33 lines
1.1 KiB
Diff

From e48471140e9fb8dd116ba49d2698bf4c0e18f49e Mon Sep 17 00:00:00 2001
From: Anton Bambura <jenneron@protonmail.com>
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 <jenneron@protonmail.com>
---
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