return 0;
 }
 
-static int file_input_g_parm(struct v4l2_subdev *sd,
-               struct v4l2_streamparm *param)
-{
-       /*to fake*/
-       return 0;
-}
-
-static int file_input_s_parm(struct v4l2_subdev *sd,
-               struct v4l2_streamparm *param)
-{
-       /*to fake*/
-       return 0;
-}
-
 static int file_input_get_fmt(struct v4l2_subdev *sd,
                              struct v4l2_subdev_pad_config *cfg,
                              struct v4l2_subdev_format *format)
 
 static const struct v4l2_subdev_video_ops file_input_video_ops = {
        .s_stream = file_input_s_stream,
-       .g_parm = file_input_g_parm,
-       .s_parm = file_input_s_parm,
 };
 
 static const struct v4l2_subdev_core_ops file_input_core_ops = {
 
        return 0;
 }
 
-static int tpg_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param)
-{
-       /*to fake*/
-       return 0;
-}
-
-static int tpg_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param)
-{
-       /*to fake*/
-       return 0;
-}
-
 static int tpg_get_fmt(struct v4l2_subdev *sd,
                       struct v4l2_subdev_pad_config *cfg,
                       struct v4l2_subdev_format *format)
 
 static const struct v4l2_subdev_video_ops tpg_video_ops = {
        .s_stream = tpg_s_stream,
-       .g_parm = tpg_g_parm,
-       .s_parm = tpg_s_parm,
 };
 
 static const struct v4l2_subdev_core_ops tpg_core_ops = {