2 files changed, 53 insertions, 0 deletions

diff --git a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
index 89891adb928a..820f86e8744b 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
@@ -242,6 +242,22 @@
       </tgroup>
     </table>
 
+    <table frame="none" pgwide="1" id="v4l2-event-src-change">
+      <title>struct <structname>v4l2_event_src_change</structname></title>
+      <tgroup cols="3">
+        &cs-str;
+        <tbody valign="top">
+          <row>
+            <entry>__u32</entry>
+            <entry><structfield>changes</structfield></entry>
+            <entry>
+              A bitmask that tells what has changed. See <xref linkend="src-changes-flags" />.
+            </entry>
+          </row>
+        </tbody>
+      </tgroup>
+    </table>
+
     <table pgwide="1" frame="none" id="changes-flags">
       <title>Changes</title>
       <tgroup cols="3">
@@ -270,6 +286,23 @@
         </tbody>
       </tgroup>
     </table>
+
+    <table pgwide="1" frame="none" id="src-changes-flags">
+      <title>Source Changes</title>
+      <tgroup cols="3">
+        &cs-def;
+        <tbody valign="top">
+          <row>
+            <entry><constant>V4L2_EVENT_SRC_CH_RESOLUTION</constant></entry>
+            <entry>0x0001</entry>
+            <entry>This event gets triggered when a resolution change is
+            detected at an input. This can come from an input connector or
+            from a video decoder.
+            </entry>
+          </row>
+        </tbody>
+      </tgroup>
+    </table>
   </refsect1>
   <refsect1>
     &return-value;
diff --git a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
index 5c70b616d818..f016254377aa 100644
--- a/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-subscribe-event.xml
@@ -155,6 +155,26 @@
             </entry>
           </row>
           <row>
+            <entry><constant>V4L2_EVENT_SOURCE_CHANGE</constant></entry>
+            <entry>5</entry>
+            <entry>
+              <para>This event is triggered when a source parameter change is
+               detected during runtime by the video device. It can be a
+               runtime resolution change triggered by a video decoder or the
+               format change happening on an input connector.
+               This event requires that the <structfield>id</structfield>
+               matches the input index (when used with a video device node)
+               or the pad index (when used with a subdevice node) from which
+               you want to receive events.</para>
+
+              <para>This event has a &v4l2-event-source-change; associated
+              with it. The <structfield>changes</structfield> bitfield denotes
+              what has changed for the subscribed pad. If multiple events
+              occurred before application could dequeue them, then the changes
+              will have the ORed value of all the events generated.</para>
+            </entry>
+          </row>
+          <row>
             <entry><constant>V4L2_EVENT_PRIVATE_START</constant></entry>
             <entry>0x08000000</entry>
             <entry>Base event number for driver-private events.</entry>