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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-09-08 18:12:18 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-09-09 10:19:06 -0300
commitdba2d12ae49217254cfc0452c68f1a4e2d2f1e4b (patch)
tree9c3c1990fff630fc3307f119b722f2137828ca68
parentbf4404b482f927096ba3001d829a79f788d2265f (diff)
[media] videobuf2-v4l2: document two helper functions
Document vb2_ops_wait_prepare() and vb2_ops_wait_finish(), in order to fix those two warnings: Documentation/media/kapi/v4l2-dev.rst:166: WARNING: c:func reference target not found: vb2_ops_wait_prepare Documentation/media/kapi/v4l2-dev.rst:166: WARNING: c:func reference target not found: vb2_ops_wait_finish Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r--include/media/videobuf2-v4l2.h17
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 */

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