[media] v4l: flash led class: Use fwnode_handle instead of device_node in init

Pass the more generic fwnode_handle to the init function than the
device_node.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/leds/leds-max77693.c b/drivers/leds/leds-max77693.c
index 1eb58ef..2d3062d 100644
--- a/drivers/leds/leds-max77693.c
+++ b/drivers/leds/leds-max77693.c
@@ -930,8 +930,9 @@
 	max77693_init_v4l2_flash_config(sub_led, led_cfg, &v4l2_sd_cfg);
 
 	/* Register in the V4L2 subsystem. */
-	sub_led->v4l2_flash = v4l2_flash_init(dev, sub_node, fled_cdev, NULL,
-					      &v4l2_flash_ops, &v4l2_sd_cfg);
+	sub_led->v4l2_flash = v4l2_flash_init(dev, of_fwnode_handle(sub_node),
+					      fled_cdev, NULL, &v4l2_flash_ops,
+					      &v4l2_sd_cfg);
 	if (IS_ERR(sub_led->v4l2_flash)) {
 		ret = PTR_ERR(sub_led->v4l2_flash);
 		goto err_v4l2_flash_init;