diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-queue.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index 174682c2582f..c5a81aed61bb 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -75,30 +75,37 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) return buf; } -struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, +struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id, u32 bytesused) { struct cx18 *cx = s->cx; struct list_head *p; + unsigned long flags = 0; - spin_lock(&s->qlock); + spin_lock_irqsave(&s->qlock, flags); list_for_each(p, &s->q_free.list) { struct cx18_buffer *buf = list_entry(p, struct cx18_buffer, list); - if (buf->id != id) + if (buf->id != id) { + CX18_DEBUG_HI_DMA("Skipping buffer %d searching for %d " + "in stream %s q_free\n", buf->id, id, + s->name); continue; + } buf->bytesused = bytesused; - atomic_dec(&s->q_free.buffers); - atomic_inc(&s->q_full.buffers); - s->q_full.bytesused += buf->bytesused; - list_move_tail(&buf->list, &s->q_full.list); + if (s->type != CX18_ENC_STREAM_TYPE_TS) { + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); + s->q_full.bytesused += buf->bytesused; + list_move_tail(&buf->list, &s->q_full.list); + } - spin_unlock(&s->qlock); + spin_unlock_irqrestore(&s->qlock, flags); return buf; } - spin_unlock(&s->qlock); + spin_unlock_irqrestore(&s->qlock, flags); CX18_ERR("Cannot find buffer %d for stream %s\n", id, s->name); return NULL; } |