*     driver-specific callbacks (vb2_ops)
  */
 static int
-dt3155_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
-                       unsigned int *num_planes, unsigned long sizes[],
-                                               void *alloc_ctxs[])
+dt3155_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+               unsigned int *num_buffers, unsigned int *num_planes,
+               unsigned int sizes[], void *alloc_ctxs[])
+
 {
        struct dt3155_priv *pd = vb2_get_drv_priv(q);
        void *ret;
        return 0;
 }
 
-static int
-dt3155_start_streaming(struct vb2_queue *q)
-{
-       return 0;
-}
-
 static int
 dt3155_stop_streaming(struct vb2_queue *q)
 {
        .wait_prepare = dt3155_wait_prepare,
        .wait_finish = dt3155_wait_finish,
        .buf_prepare = dt3155_buf_prepare,
-       .start_streaming = dt3155_start_streaming,
        .stop_streaming = dt3155_stop_streaming,
        .buf_queue = dt3155_buf_queue,
 };