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-rw-r--r--Documentation/devicetree/bindings/leds/leds-pwm.txt2
-rw-r--r--drivers/leds/leds-pwm.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.txt b/Documentation/devicetree/bindings/leds/leds-pwm.txt
index 7297107cf832..6c6583c35f2f 100644
--- a/Documentation/devicetree/bindings/leds/leds-pwm.txt
+++ b/Documentation/devicetree/bindings/leds/leds-pwm.txt
@@ -13,6 +13,8 @@ LED sub-node properties:
For the pwms and pwm-names property please refer to:
Documentation/devicetree/bindings/pwm/pwm.txt
- max-brightness : Maximum brightness possible for the LED
+- active-low : (optional) For PWMs where the LED is wired to supply
+ rather than ground.
- label : (optional)
see Documentation/devicetree/bindings/leds/common.txt
- linux,default-trigger : (optional)
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 8bd225df14de..f5cf1b0f2748 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -154,6 +154,7 @@ static int led_pwm_create_of(struct device *dev, struct led_pwm_priv *priv)
led.default_trigger = of_get_property(child,
"linux,default-trigger", NULL);
+ led.active_low = of_property_read_bool(child, "active-low");
of_property_read_u32(child, "max-brightness",
&led.max_brightness);

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