diff options
Diffstat (limited to 'include/media/videobuf2-v4l2.h')
| -rw-r--r-- | include/media/videobuf2-v4l2.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h index 611d4f330a4c..036127c54bbf 100644 --- a/include/media/videobuf2-v4l2.h +++ b/include/media/videobuf2-v4l2.h @@ -268,9 +268,22 @@ unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); #endif -/* struct vb2_ops helpers, only use if vq->lock is non-NULL. */ - +/** + * vb2_ops_wait_prepare - helper function to lock a struct &vb2_queue + * + * @vq: pointer to struct vb2_queue + * + * ..note:: only use if vq->lock is non-NULL. + */ void vb2_ops_wait_prepare(struct vb2_queue *vq); + +/** + * vb2_ops_wait_finish - helper function to unlock a struct &vb2_queue + * + * @vq: pointer to struct vb2_queue + * + * ..note:: only use if vq->lock is non-NULL. + */ void vb2_ops_wait_finish(struct vb2_queue *vq); #endif /* _MEDIA_VIDEOBUF2_V4L2_H */ |