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Commit 613ae807 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "leds: gpio-leds: retain the LED status on suspend"

parents 86df3805 93ed8aa3

Documentation/devicetree/bindings/leds/leds-gpio.txt

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ LED sub-node properties: 
  on).  The "keep" setting will keep the LED at whatever its current

  state is, without producing a glitch.  The default is off if this

  property is not present.

- retain-state-suspended: (optional) Retain the LED status on suspending.



Examples:

arch/arm/boot/dts/qcom/msm8916-qrd-skuh.dtsi

+2 −0
Original line number Diff line number Diff line
@@ -212,6 +212,7 @@ 
			label = "red";

			linux,default-trigger = "battery-charging";

			default-state = "off";

			retain-state-suspended;

		};



		green {
@@ -219,6 +220,7 @@ 
			label = "green";

			linux,default-trigger = "battery-full";

			default-state = "off";

			retain-state-suspended;

		};



		blue {

drivers/leds/leds-gpio.c

+4 −0
Original line number Diff line number Diff line
@@ -204,6 +204,10 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev) 
				led.default_state = LEDS_GPIO_DEFSTATE_OFF;

		}



		led.retain_state_suspended =

			(unsigned)of_property_read_bool(child,

				"retain-state-suspended");



		ret = create_gpio_led(&led, &priv->leds[priv->num_leds++],

				      &pdev->dev, NULL);

		if (ret < 0) {