[media] tvp5150: Replace container_of() with to_tvp5150()

Use the driver-specific inline function to cast from a subdev pointer to
a tvp5150 pointer instead of the generic container_of().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/tvp5150.c

@@ -913,7 +913,7 @@ static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
 
 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 {
-	struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
+	struct tvp5150 *decoder = to_tvp5150(sd);
 
 	a->c	= decoder->rect;
 	a->type	= V4L2_BUF_TYPE_VIDEO_CAPTURE;
@@ -923,7 +923,7 @@ static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 
 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 {
-	struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
+	struct tvp5150 *decoder = to_tvp5150(sd);
 	v4l2_std_id std;
 
 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)