diff --git a/drivers/leds/rgb/wago-m4-led-wrapper.c b/drivers/leds/rgb/wago-m4-led-wrapper.c
index cf71344782e9..8aa3501c0490 100644
--- a/drivers/leds/rgb/wago-m4-led-wrapper.c
+++ b/drivers/leds/rgb/wago-m4-led-wrapper.c
@@ -350,7 +350,7 @@ static const struct attribute_group wago_led_attr_group = {
 
 #endif /* CONFIG_LEDS_WAGO_M4_WRAPPER_SYSFS_PASSTHROUGH */
 
-static void wago_led_set(struct led_classdev *led_cdev,
+static int wago_led_set(struct led_classdev *led_cdev,
 			 enum led_brightness brightness)
 {
 	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(led_cdev);
@@ -393,6 +393,8 @@ static void wago_led_set(struct led_classdev *led_cdev,
 	mutex_lock(&priv->send_lock);
 	wago_send(priv, &msg, sizeof(msg));
 	mutex_unlock(&priv->send_lock);
+
+	return 0;
 }
 
 /* -------------------------------------------------------------------------
@@ -420,7 +422,7 @@ static void wago_led_init_subled(struct wago_led *led)
 	led->mc_cdev.subled_info             = led->subled_info;
 	led->mc_cdev.num_colors              = WAGO_LED_NUM_CHANNELS;
 
-	led->mc_cdev.led_cdev.brightness_set = wago_led_set;
+	led->mc_cdev.led_cdev.brightness_set_blocking = wago_led_set;
 	led->mc_cdev.led_cdev.max_brightness = LED_FULL;
 	led->mc_cdev.led_cdev.flags          = LED_CORE_SUSPENDRESUME;
 	led->mc_cdev.led_cdev.color          = LED_COLOR_ID_MULTI;