Add LAKML and a few interested people. Shawn
On Tue, Jan 20, 2015 at 06:22:35PM +0800, Robby Cai wrote: > Hannstar XGA panel is used by default on i.MX6QDL Sabre Auto/Lite/SD > or derived board. > > According to its data sheet [1], > a) the dimming duty cycle is 20% - 100%. > This patch changes the brightness-level from 20 to 100 with step 10 to > make it straight-forward. > b) the typical dimming frequency is 20KHz. > The previous setting is 200Hz. This patch corrects it. > > [1] > http://boundarydevices.com/wp-content/uploads/2013/06/HSD100PXN1-A00-C11-1.0.pdf > > Signed-off-by: Robby Cai <[email protected]> > --- > arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-sabrelite.dtsi | 6 +++--- > arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 6 +++--- > 7 files changed, 21 insertions(+), 21 deletions(-) > > diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi > b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi > index b5756c2..33484d8 100644 > --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi > @@ -29,9 +29,9 @@ > > backlight { > compatible = "pwm-backlight"; > - pwms = <&pwm4 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm4 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > }; > > leds { > diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi > b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi > index 86f03c1..0d01751 100644 > --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi > @@ -30,9 +30,9 @@ > > backlight { > compatible = "pwm-backlight"; > - pwms = <&pwm4 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm4 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > }; > > leds { > diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi > b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi > index 4a8d97f..8973bf2 100644 > --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi > @@ -30,9 +30,9 @@ > > backlight { > compatible = "pwm-backlight"; > - pwms = <&pwm4 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm4 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > }; > > leds { > diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi > b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi > index 0821812..5453cf0 100644 > --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi > @@ -124,9 +124,9 @@ > > backlight_lvds { > compatible = "pwm-backlight"; > - pwms = <&pwm4 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm4 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > power-supply = <®_3p3v>; > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > index 009abd6..2bfcf5a 100644 > --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > @@ -38,9 +38,9 @@ > > backlight { > compatible = "pwm-backlight"; > - pwms = <&pwm3 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm3 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > status = "okay"; > }; > }; > diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi > b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi > index 0b28a9d..d1409c0 100644 > --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi > @@ -123,9 +123,9 @@ > > backlight_lvds { > compatible = "pwm-backlight"; > - pwms = <&pwm4 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm4 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > power-supply = <®_3p3v>; > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi > b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi > index f1cd214..3efc363 100644 > --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi > @@ -115,9 +115,9 @@ > > backlight { > compatible = "pwm-backlight"; > - pwms = <&pwm1 0 5000000>; > - brightness-levels = <0 4 8 16 32 64 128 255>; > - default-brightness-level = <7>; > + pwms = <&pwm1 0 50000>; > + brightness-levels = <0 20 30 40 50 60 70 80 90 100>; > + default-brightness-level = <9>; > status = "okay"; > }; > > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-pwm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
