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 <hs@denx.de>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index af1876a3a77c..5db4515a4fd7 100644
--- 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,