65 	struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);  in uvc_buffer_prepare()  local
76 	buf->state = UVC_BUF_STATE_QUEUED;  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()
80 		buf->bytesused = 0;  in uvc_buffer_prepare()
82 		buf->bytesused = vb2_get_plane_payload(vb, 0);  in uvc_buffer_prepare()
91 	struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);  in uvc_buffer_queue()  local
97 		list_add_tail(&buf->queue, &queue->irqqueue);  in uvc_buffer_queue()
102 		buf->state = UVC_BUF_STATE_ERROR;  in uvc_buffer_queue()
163 int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_query_buffer()  argument
165 	return vb2_querybuf(&queue->queue, buf);  in uvcg_query_buffer()
168 int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_queue_buffer()  argument
173 	ret = vb2_qbuf(&queue->queue, buf);  in uvcg_queue_buffer()
188 int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf,  in uvcg_dequeue_buffer()  argument
191 	return vb2_dqbuf(&queue->queue, buf, nonblocking);  in uvcg_dequeue_buffer()
238 	struct uvc_buffer *buf;  in uvcg_queue_cancel()  local
243 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_cancel()
245 		list_del(&buf->queue);  in uvcg_queue_cancel()
246 		buf->state = UVC_BUF_STATE_ERROR;  in uvcg_queue_cancel()
247 		vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_ERROR);  in uvcg_queue_cancel()
312 					  struct uvc_buffer *buf)  in uvcg_queue_next_buffer()  argument
317 	     buf->length != buf->bytesused) {  in uvcg_queue_next_buffer()
318 		buf->state = UVC_BUF_STATE_QUEUED;  in uvcg_queue_next_buffer()
319 		vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);  in uvcg_queue_next_buffer()
320 		return buf;  in uvcg_queue_next_buffer()
323 	list_del(&buf->queue);  in uvcg_queue_next_buffer()
330 	buf->buf.field = V4L2_FIELD_NONE;  in uvcg_queue_next_buffer()
331 	buf->buf.sequence = queue->sequence++;  in uvcg_queue_next_buffer()
332 	v4l2_get_timestamp(&buf->buf.timestamp);  in uvcg_queue_next_buffer()
334 	vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);  in uvcg_queue_next_buffer()
335 	vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);  in uvcg_queue_next_buffer()
342 	struct uvc_buffer *buf = NULL;  in uvcg_queue_head()  local
345 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_head()
350 	return buf;  in uvcg_queue_head()