[media] v4l: Image source control class

Add image source control class. This control class is intended to contain
low level controls which deal with control of the image capture process ---
the A/D converter in image sensors, for example.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
index 27e20bcbdf42..f2d2ec3f0e31 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
@@ -272,6 +272,12 @@ These controls are described in <xref
 These controls are described in <xref
                 linkend="jpeg-controls" />.</entry>
           </row>
+          <row>
+            <entry><constant>V4L2_CTRL_CLASS_IMAGE_SOURCE</constant></entry>
+            <entry>0x9e0000</entry> <entry>The class containing image
+            source controls. These controls are described in <xref
+            linkend="image-source-controls" />.</entry>
+          </row>
         </tbody>
       </tgroup>
     </table>