From: Max Krummenacher <max.krummenacher@toradex.com>
Date: Fri, 13 May 2022 10:26:15 +0000 (+0200)
Subject: ARM: dts: imx6qdl-colibri: backlight pwm: Adapt brightness steps
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1c231f0b81cbd461e50ad388fed261d81b8c22e3;p=linux.git

ARM: dts: imx6qdl-colibri: backlight pwm: Adapt brightness steps

Adapt the brightness steps as the backlight doesn't light up
for very low duty cycles.

Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index 4e6a5f63199f7..31908542e26e3 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -14,8 +14,8 @@
 
 	backlight: backlight {
 		compatible = "pwm-backlight";
-		brightness-levels = <0 4 8 16 32 64 128 255>;
-		default-brightness-level = <6>;
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
 		enable-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_gpio_bl_on>;