Explain which clock was used to make the timestamp.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
Documentation/DocBook/media/v4l/vidioc-dqevent.xml | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
index 50ccd33..c9c3c77 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
@@ -133,7 +133,10 @@
<entry>struct timespec</entry>
<entry><structfield>timestamp</structfield></entry>
<entry></entry>
- <entry>Event timestamp.</entry>
+ <entry>Event timestamp. The timestamp has been taken from the
+ <constant>CLOCK_MONOTONIC</constant> clock. To access the
+ same clock outside V4L2, use <function>clock_gettime(2)</function>.
+ </entry>
</row>
<row>
<entry>u32</entry>
--
2.1.4
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