[media] si4713: convert to unlocked_ioctl

Convert ioctl to unlocked_ioctl. Note that for this driver the locking
is done inside the sub-device.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c
index 6a43578..3a84c3d 100644
--- a/drivers/media/radio/radio-si4713.c
+++ b/drivers/media/radio/radio-si4713.c
@@ -53,7 +53,8 @@
 /* radio_si4713_fops - file operations interface */
 static const struct v4l2_file_operations radio_si4713_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= video_ioctl2,
+	/* Note: locking is done at the subdev level in the i2c driver. */
+	.unlocked_ioctl	= video_ioctl2,
 };
 
 /* Video4Linux Interface */