Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCH 3/3] ARM: at91/dt: at91sam9m10g45ek PWM leds polarity is inversed | Date | Wed, 19 Mar 2014 00:15:41 +0100 |
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The real polarity of the LEDs is inversed. The led is between 3.3v and the PWM. It was working before because the driver was getting the duty cycle calculation wrong.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- arch/arm/boot/dts/at91sam9m10g45ek.dts | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts index 7800931a4b16..9f5b0a674995 100644 --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts @@ -8,6 +8,7 @@ */ /dts-v1/; #include "at91sam9g45.dtsi" +#include <dt-bindings/pwm/pwm.h> / { model = "Atmel AT91SAM9M10G45-EK"; @@ -231,14 +232,14 @@ d6 { label = "d6"; - pwms = <&pwm0 3 5000 0>; + pwms = <&pwm0 3 5000 PWM_POLARITY_INVERTED>; max-brightness = <255>; linux,default-trigger = "nand-disk"; }; d7 { label = "d7"; - pwms = <&pwm0 1 5000 0>; + pwms = <&pwm0 1 5000 PWM_POLARITY_INVERTED>; max-brightness = <255>; linux,default-trigger = "mmc0"; }; -- 1.8.3.2
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