leds: leds-gpio: add shutdown function

add a shutdown function for setting the gpio-leds into off state when shuting down. Signed-off-by: Heiko Schocher <[email protected]> Signed-off-by: Jacek Anaszewski <[email protected]>
chewitt · Nov 3, 2015 · 707f33e · 707f33e
1 parent 1d3ff22
commit 707f33e
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
@@ -291,9 +291,22 @@ static int gpio_led_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static void gpio_led_shutdown(struct platform_device *pdev)
+{
+	struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < priv->num_leds; i++) {
+		struct gpio_led_data *led = &priv->leds[i];
+
+		gpio_led_set(&led->cdev, LED_OFF);
+	}
+}
+
 static struct platform_driver gpio_led_driver = {
 	.probe		= gpio_led_probe,
 	.remove		= gpio_led_remove,
+	.shutdown	= gpio_led_shutdown,
 	.driver		= {
 		.name	= "leds-gpio",
 		.of_match_table = of_gpio_leds_match,