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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-08-30 18:56:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-08-30 18:56:14 -0300 |
| commit | 502293205239f8ec860b4c33187cd7a3fc0f421c (patch) | |
| tree | 3859aab46057cb3726731ca0ef65cd45c9e73660 /linux/drivers/media/video/uvc/uvc_queue.c | |
| parent | 71911bc952f2394dede17c5713de0b0dfcb04fae (diff) | |
| parent | 52ef68ff244a5cd4707558c9aa803ecb9c1342dc (diff) | |
| download | mediapointer-dvb-s2-502293205239f8ec860b4c33187cd7a3fc0f421c.tar.gz mediapointer-dvb-s2-502293205239f8ec860b4c33187cd7a3fc0f421c.tar.bz2 | |
merge: http://kernellabs.com/hg/~mkrufky/tda18271
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux/drivers/media/video/uvc/uvc_queue.c')
| -rw-r--r-- | linux/drivers/media/video/uvc/uvc_queue.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/linux/drivers/media/video/uvc/uvc_queue.c b/linux/drivers/media/video/uvc/uvc_queue.c index 0155752e4..f854698c4 100644 --- a/linux/drivers/media/video/uvc/uvc_queue.c +++ b/linux/drivers/media/video/uvc/uvc_queue.c @@ -172,6 +172,20 @@ int uvc_free_buffers(struct uvc_video_queue *queue) return 0; } +/* + * Check if buffers have been allocated. + */ +int uvc_queue_allocated(struct uvc_video_queue *queue) +{ + int allocated; + + mutex_lock(&queue->mutex); + allocated = queue->count != 0; + mutex_unlock(&queue->mutex); + + return allocated; +} + static void __uvc_query_buffer(struct uvc_buffer *buf, struct v4l2_buffer *v4l2_buf) { |