63 static int uvc_buffer_prepare(struct vb2_buffer *vb)  in uvc_buffer_prepare()  argument
65 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_prepare()
66 	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);  in uvc_buffer_prepare()
68 	if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&  in uvc_buffer_prepare()
69 	    vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {  in uvc_buffer_prepare()
79 	buf->mem = vb2_plane_vaddr(vb, 0);  in uvc_buffer_prepare()
80 	buf->length = vb2_plane_size(vb, 0);  in uvc_buffer_prepare()
81 	if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE)  in uvc_buffer_prepare()
84 		buf->bytesused = vb2_get_plane_payload(vb, 0);  in uvc_buffer_prepare()
89 static void uvc_buffer_queue(struct vb2_buffer *vb)  in uvc_buffer_queue()  argument
91 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_queue()
92 	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);  in uvc_buffer_queue()
109 static void uvc_buffer_finish(struct vb2_buffer *vb)  in uvc_buffer_finish()  argument
111 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_finish()
114 	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);  in uvc_buffer_finish()
116 	if (vb->state == VB2_BUF_STATE_DONE)  in uvc_buffer_finish()
117 		uvc_video_clock_update(stream, &vb->v4l2_buf, buf);  in uvc_buffer_finish()