Patchwork [V6,7/9] ARM: vt8500: Provide regulator to pwm-backlight

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Submitter achew@nvidia.com
Date April 1, 2013, 9:53 p.m.
Message ID <1364853208-32503-8-git-send-email-achew@nvidia.com>
Download mbox | patch
Permalink /patch/232820/
State Not Applicable, archived
Headers show

Comments

achew@nvidia.com - April 1, 2013, 9:53 p.m.
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@nvidia.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
---
 arch/arm/boot/dts/wm8850-w70v2.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

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>;
 	};
 };