1 files changed, 2 insertions, 0 deletions

diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index fcdffdd63304..377a6c6e931b 100644
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -153,6 +153,8 @@ struct videobuf_queue {
         spinlock_t                 *irqlock;
         struct device              *dev;
 
+        wait_queue_head_t          wait; /* wait if queue is empty */
+
         enum v4l2_buf_type         type;
         unsigned int               inputs; /* for V4L2_BUF_FLAG_INPUT */
         unsigned int               msize;