[media] V4L: JPEG class documentation corrections

This patch fixes following compilation warning:
Error: no ID for constraint linkend: v4l2-jpeg-chroma-subsampling.

and adds missing JPEG control class at the Table A.58.

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 8 insertions, 1 deletions

diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index b84f25e9cc87..5038a3a9a24c 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -3486,7 +3486,7 @@ interface and may change in the future.</para>
             from RGB to Y'CbCr color space.
             </entry>
           </row>
-          <row>
+          <row id = "v4l2-jpeg-chroma-subsampling">
             <entrytbl spanname="descr" cols="2">
               <tbody valign="top">
                 <row>
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
index b17a7aac6997..27e20bcbdf42 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
@@ -265,6 +265,13 @@ These controls are described in <xref
 These controls are described in <xref
                 linkend="flash-controls" />.</entry>
           </row>
+          <row>
+            <entry><constant>V4L2_CTRL_CLASS_JPEG</constant></entry>
+            <entry>0x9d0000</entry>
+            <entry>The class containing JPEG compression controls.
+These controls are described in <xref
+                linkend="jpeg-controls" />.</entry>
+          </row>
         </tbody>
       </tgroup>
     </table>