[media] V4L: Add JPEG compression control class documentation

Add DocBook entries for the JPEG control class.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml
index dcf9e33..8ae3887 100644
--- a/Documentation/DocBook/media/v4l/v4l2.xml
+++ b/Documentation/DocBook/media/v4l/v4l2.xml
@@ -128,6 +128,15 @@
 applications. -->
 
       <revision>
+	<revnumber>3.4</revnumber>
+	<date>2012-01-25</date>
+	<authorinitials>sn</authorinitials>
+	<revremark>Added <link linkend="jpeg-controls">JPEG compression
+	    control class.</link>
+	</revremark>
+      </revision>
+
+      <revision>
 	<revnumber>3.3</revnumber>
 	<date>2012-01-11</date>
 	<authorinitials>hv</authorinitials>