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 4e6a5f63199f7be03cb80c7cdb9f1f695e8a26cb..31908542e26e31ad5964a4e6e992e3171e9fe930 100644 (file)
--- 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>;