1 files changed, 8 insertions, 0 deletions

diff --git a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
index 17efa870d4d2..9f6095608837 100644
--- a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
@@ -175,6 +175,14 @@
             </entry>
           </row>
           <row>
+            <entry><constant>V4L2_EVENT_MOTION_DET</constant></entry>
+            <entry>5</entry>
+            <entry>
+              <para>Triggered whenever the motion detection state for one or more of the regions
+              changes. This event has a &v4l2-event-motion-det; associated with it.</para>
+            </entry>
+          </row>
+          <row>
             <entry><constant>V4L2_EVENT_PRIVATE_START</constant></entry>
             <entry>0x08000000</entry>
             <entry>Base event number for driver-private events.</entry>