This helps to get 100% intensity closer to "always on".
It compensates for an effect of dmtimer which at 100% still emits short
"off" impulses and the startup-time of the DC/DC converter makes
backlight intensity not reach full scale. The lower the PWM frequency
is, the smaller is this effect.
Signed-off-by: H. Nikolaus Schaller <h...@goldelico.com>
---
arch/arm/boot/dts/omap3-gta04.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi
b/arch/arm/boot/dts/omap3-gta04.dtsi
index c09a057..94f12dd 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -102,7 +102,7 @@
backlight {
compatible = "pwm-backlight";
- pwms = <&pwm11 0 2000000 0>;
+ pwms = <&pwm11 0 12000000 0>;
pwm-names = "backlight";
brightness-levels = <0 11 20 30 40 50 60 70 80 90 100>;
default-brightness-level = <9>; /* => 90 */
--
2.7.3
