dm: led: Add support for getting the state of an LED

[oweals/u-boot.git] / drivers / led / led-uclass.c

diff --git a/drivers/led/led-uclass.c b/drivers/led/led-uclass.c
index b30346913b9fa5bf6b2f179c43f526263a6fcc7e..ea5fbabadf3b78aaa31f202c86d907cdf8622da5 100644 (file)
--- a/drivers/led/led-uclass.c
+++ b/drivers/led/led-uclass.c
@@ -42,6 +42,16 @@ int led_set_state(struct udevice *dev, enum led_state_t state)
        return ops->set_state(dev, state);
 }
 
+enum led_state_t led_get_state(struct udevice *dev)
+{
+       struct led_ops *ops = led_get_ops(dev);
+
+       if (!ops->get_state)
+               return -ENOSYS;
+
+       return ops->get_state(dev);
+}
+
 UCLASS_DRIVER(led) = {
        .id             = UCLASS_LED,
        .name           = "led",