61 static int uvc_buffer_prepare(struct vb2_buffer *vb)  in uvc_buffer_prepare()  argument
63 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_prepare()
64 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);  in uvc_buffer_prepare()
67 	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&  in uvc_buffer_prepare()
68 	    vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {  in uvc_buffer_prepare()
77 	buf->mem = vb2_plane_vaddr(vb, 0);  in uvc_buffer_prepare()
78 	buf->length = vb2_plane_size(vb, 0);  in uvc_buffer_prepare()
79 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)  in uvc_buffer_prepare()
82 		buf->bytesused = vb2_get_plane_payload(vb, 0);  in uvc_buffer_prepare()
87 static void uvc_buffer_queue(struct vb2_buffer *vb)  in uvc_buffer_queue()  argument
89 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_queue()
90 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);  in uvc_buffer_queue()
103 		vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);  in uvc_buffer_queue()