diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:09:54 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:09:54 -0700 |
commit | 7ae0dea900b027cd90e8a3e14deca9a19e17638b (patch) | |
tree | 428cbe411bba90f6580ae21338276c949e91f23a /drivers/media/video/uvc/uvc_queue.c | |
parent | 6c74700fdb8e3bc34c31790384a8ec16c4fefd97 (diff) | |
parent | 560afa7d85bdfb294506afd3032c315e6827824f (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits)
V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register
V4L/DVB: dvb: siano: free spinlock before schedule()
V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()
V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin()
V4L/DVB: Report supported QAM modes on bt8xx
V4L/DVB: media: ir-keytable: null dereference in debug code
V4L/DVB: ivtv: convert to the new control framework
V4L/DVB: ivtv: convert gpio subdev to new control framework
V4L/DVB: wm8739: convert to the new control framework
V4L/DVB: cs53l32a: convert to new control framework
V4L/DVB: wm8775: convert to the new control framework
V4L/DVB: cx2341x: convert to the control framework
V4L/DVB: cx25840: convert to the new control framework
V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config
V4L/DVB: saa717x: convert to the new control framework
V4L/DVB: msp3400: convert to the new control framework
V4L/DVB: saa7115: convert to the new control framework
V4L/DVB: v4l2: hook up the new control framework into the core framework
V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API
V4L/DVB: v4l2-ctrls: Whitespace cleanups
...
Diffstat (limited to 'drivers/media/video/uvc/uvc_queue.c')
-rw-r--r-- | drivers/media/video/uvc/uvc_queue.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index 133c78d113ac..e9928a415086 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -78,12 +78,14 @@ * */ -void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type) +void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, + int drop_corrupted) { mutex_init(&queue->mutex); spin_lock_init(&queue->irqlock); INIT_LIST_HEAD(&queue->mainqueue); INIT_LIST_HEAD(&queue->irqqueue); + queue->flags = drop_corrupted ? UVC_QUEUE_DROP_CORRUPTED : 0; queue->type = type; } @@ -435,8 +437,10 @@ int uvc_queue_enable(struct uvc_video_queue *queue, int enable) uvc_queue_cancel(queue, 0); INIT_LIST_HEAD(&queue->mainqueue); - for (i = 0; i < queue->count; ++i) + for (i = 0; i < queue->count; ++i) { + queue->buffer[i].error = 0; queue->buffer[i].state = UVC_BUF_STATE_IDLE; + } queue->flags &= ~UVC_QUEUE_STREAMING; } @@ -488,8 +492,8 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *nextbuf; unsigned long flags; - if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) && - buf->buf.length != buf->buf.bytesused) { + if ((queue->flags & UVC_QUEUE_DROP_CORRUPTED) && buf->error) { + buf->error = 0; buf->state = UVC_BUF_STATE_QUEUED; buf->buf.bytesused = 0; return buf; @@ -497,6 +501,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, spin_lock_irqsave(&queue->irqlock, flags); list_del(&buf->queue); + buf->error = 0; buf->state = UVC_BUF_STATE_DONE; if (!list_empty(&queue->irqqueue)) nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer, |