[PATCH V5 7/9] ARM: vt8500: Provide regulator to pwm-backlight
From: Andrew Chew <hidden>
Date: 2013-03-26 01:21:51
Also in:
linux-samsung-soc, linux-tegra
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Tony Prisk <redacted> --- 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