pmaports/device/testing/linux-postmarketos-exynos5/0029-ARM-dts-exynos-peach-pi-use-num-interpolated-steps-f.patch

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From b82eac19457a7910ac2e955b72e90b41dff6079a Mon Sep 17 00:00:00 2001
From: Anton Bambura <jenneron@protonmail.com>
Date: Mon, 14 Mar 2022 21:46:55 +0200
Subject: [PATCH 2/4] ARM: dts: exynos: peach-pi: 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>
Tested-by: Valentine Iourine <iourine@iourine.msk.su>
---
arch/arm/boot/dts/exynos5800-peach-pi.dts | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index aa1d14af4..f8adbd9ad 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -38,8 +38,9 @@ aliases {
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 = <&gpx2 2 GPIO_ACTIVE_HIGH>;
power-supply = <&tps65090_fet1>;
pinctrl-0 = <&pwm0_out>;
--
2.25.1