On Wed, 2016-09-14 at 12:05 +0530, Sanchayan Maity wrote: > Use enable-gpios property of PWM backlight driver for backlight > control. While at it also fix the use of brightness levels required > by EDT displays which require inverted PWM's. That part I am missing below. Did you forget to include it? > Signed-off-by: Sanchayan Maity <maitysanchayan@xxxxxxxxx> > --- > arch/arm/boot/dts/imx6qdl-apalis.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi > b/arch/arm/boot/dts/imx6qdl-apalis.dtsi > index 8c67dd8..9100bde 100644 > --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi > @@ -49,7 +49,10 @@ > > backlight: backlight { > compatible = "pwm-backlight"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_gpio_bl_on>; > pwms = <&pwm4 0 5000000>; > + enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>; > status = "disabled"; > }; > > @@ -614,6 +617,12 @@ > >; > }; > > + pinctrl_gpio_bl_on: gpioblon { > + fsl,pins = < > + MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x1b0b0 > + >; > + }; > + > pinctrl_gpio_keys: gpio1io04grp { > fsl,pins = < > /* Power button */��.n��������+%������w��{.n����z�{��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f