diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-queue.h')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-queue.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-queue.h b/linux/drivers/media/video/cx18/cx18-queue.h index ff50a2b7e..456cec3bc 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.h +++ b/linux/drivers/media/video/cx18/cx18-queue.h @@ -43,9 +43,24 @@ static inline void cx18_buf_sync_for_device(struct cx18_stream *s, void cx18_buf_swap(struct cx18_buffer *buf); /* cx18_queue utility functions */ +struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, + struct cx18_queue *q, int to_front); + +static inline +struct cx18_queue *cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, + struct cx18_queue *q) +{ + return _cx18_enqueue(s, buf, q, 0); /* FIFO */ +} + +static inline +struct cx18_queue *cx18_push(struct cx18_stream *s, struct cx18_buffer *buf, + struct cx18_queue *q) +{ + return _cx18_enqueue(s, buf, q, 1); /* LIFO */ +} + void cx18_queue_init(struct cx18_queue *q); -void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, - struct cx18_queue *q); struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q); struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id, u32 bytesused); |