64 	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);  in uvc_buffer_prepare()  local
75 	buf->state = UVC_BUF_STATE_QUEUED;  in uvc_buffer_prepare()
76 	buf->mem = vb2_plane_vaddr(vb, 0);  in uvc_buffer_prepare()
77 	buf->length = vb2_plane_size(vb, 0);  in uvc_buffer_prepare()
79 		buf->bytesused = 0;  in uvc_buffer_prepare()
81 		buf->bytesused = vb2_get_plane_payload(vb, 0);  in uvc_buffer_prepare()
89 	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);  in uvc_buffer_queue()  local
95 		list_add_tail(&buf->queue, &queue->irqqueue);  in uvc_buffer_queue()
100 		buf->state = UVC_BUF_STATE_ERROR;  in uvc_buffer_queue()
101 		vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR);  in uvc_buffer_queue()
161 int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_query_buffer()  argument
163 	return vb2_querybuf(&queue->queue, buf);  in uvcg_query_buffer()
166 int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_queue_buffer()  argument
171 	ret = vb2_qbuf(&queue->queue, buf);  in uvcg_queue_buffer()
186 int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf,  in uvcg_dequeue_buffer()  argument
189 	return vb2_dqbuf(&queue->queue, buf, nonblocking);  in uvcg_dequeue_buffer()
236 	struct uvc_buffer *buf;  in uvcg_queue_cancel()  local
241 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_cancel()
243 		list_del(&buf->queue);  in uvcg_queue_cancel()
244 		buf->state = UVC_BUF_STATE_ERROR;  in uvcg_queue_cancel()
245 		vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR);  in uvcg_queue_cancel()
310 					  struct uvc_buffer *buf)  in uvcg_queue_next_buffer()  argument
315 	     buf->length != buf->bytesused) {  in uvcg_queue_next_buffer()
316 		buf->state = UVC_BUF_STATE_QUEUED;  in uvcg_queue_next_buffer()
317 		vb2_set_plane_payload(&buf->buf, 0, 0);  in uvcg_queue_next_buffer()
318 		return buf;  in uvcg_queue_next_buffer()
321 	list_del(&buf->queue);  in uvcg_queue_next_buffer()
328 	buf->buf.v4l2_buf.field = V4L2_FIELD_NONE;  in uvcg_queue_next_buffer()
329 	buf->buf.v4l2_buf.sequence = queue->sequence++;  in uvcg_queue_next_buffer()
330 	v4l2_get_timestamp(&buf->buf.v4l2_buf.timestamp);  in uvcg_queue_next_buffer()
332 	vb2_set_plane_payload(&buf->buf, 0, buf->bytesused);  in uvcg_queue_next_buffer()
333 	vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE);  in uvcg_queue_next_buffer()
340 	struct uvc_buffer *buf = NULL;  in uvcg_queue_head()  local
343 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_head()
348 	return buf;  in uvcg_queue_head()