The pwm-backlight driver now takes a mandatory regulator that is gotten during driver probe. Initialize a dummy regulator to satisfy this requirement. Signed-off-by: Andrew Chew <achew@xxxxxxxxxx> Acked-by: Alexandre Courbot <acourbot@xxxxxxxxxx> Acked-by: Tony Prisk <linux@xxxxxxxxxxxxxxx> --- Made the backlight power regulator controlled via <&gpio 0 7 0>. arch/arm/boot/dts/wm8850-w70v2.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/wm8850-w70v2.dts b/arch/arm/boot/dts/wm8850-w70v2.dts index fcc660c..25c96d0 100644 --- a/arch/arm/boot/dts/wm8850-w70v2.dts +++ b/arch/arm/boot/dts/wm8850-w70v2.dts @@ -37,11 +37,20 @@ }; }; + backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + enable-active-high; + regulator-boot-on; + gpio = <&gpio 0 7 0>; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 50000 1>; /* duty inverted */ brightness-levels = <0 40 60 80 100 130 190 255>; default-brightness-level = <5>; + power-supply = <&backlight_power>; }; }; -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html