soc-camera: add support for VIDIOC_S_PARM and VIDIOC_G_PARM ioctls

Just pass VIDIOC_S_PARM and VIDIOC_G_PARM down to host drivers. So far no
special handling in soc-camera core.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index dcc5b86..9d69f01b 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -81,6 +81,8 @@
 	int (*set_bus_param)(struct soc_camera_device *, __u32);
 	int (*get_ctrl)(struct soc_camera_device *, struct v4l2_control *);
 	int (*set_ctrl)(struct soc_camera_device *, struct v4l2_control *);
+	int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
+	int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
 	unsigned int (*poll)(struct file *, poll_table *);
 	const struct v4l2_queryctrl *controls;
 	int num_controls;