V4L/DVB (12521): soc-camera: use .s_std() from struct v4l2_subdev_core_ops

Remove .set_std() method from struct soc_camera_ops, use .s_std() from
struct v4l2_subdev_core_ops instead.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/soc_camera.c

@@ -152,12 +152,9 @@ static int soc_camera_s_std(struct file *file, void *priv, v4l2_std_id *a)
 {
 	struct soc_camera_file *icf = file->private_data;
 	struct soc_camera_device *icd = icf->icd;
-	int ret = 0;
-
-	if (icd->ops->set_std)
-		ret = icd->ops->set_std(icd, a);
+	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 
-	return ret;
+	return v4l2_device_call_until_err(&ici->v4l2_dev, (__u32)icd, core, s_std, *a);
 }
 
 static int soc_camera_reqbufs(struct file *file, void *priv,

include/media/soc_camera.h

@@ -190,7 +190,6 @@ struct soc_camera_ops {
 	int (*set_bus_param)(struct soc_camera_device *, unsigned long);
 	int (*get_chip_id)(struct soc_camera_device *,
 			   struct v4l2_dbg_chip_ident *);
-	int (*set_std)(struct soc_camera_device *, v4l2_std_id *);
 	int (*enum_input)(struct soc_camera_device *, struct v4l2_input *);
 	const struct v4l2_queryctrl *controls;
 	int num_controls;