1 files changed, 4 insertions, 0 deletions

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 39d2cecdf38c..94cbe26e9f00 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -701,6 +701,10 @@ struct v4l2_buffer {
 /* Cache handling flags */
 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x0800
 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x1000
+/* Timestamp type */
+#define V4L2_BUF_FLAG_TIMESTAMP_MASK            0xe000
+#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN         0x0000
+#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC       0x2000
 
 /**
  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor