[media] v4l: Image processing control class

Add control class for image processing controls. The control class deals
with controls processing image, for example digital gain or noise filtering,
which can be present in any part of the pipeline.

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 f2d2ec3f0e31..0a4b90fcf2da 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
@@ -278,6 +278,12 @@ These controls are described in <xref
             source controls. These controls are described in <xref
             linkend="image-source-controls" />.</entry>
           </row>
+          <row>
+            <entry><constant>V4L2_CTRL_CLASS_IMAGE_PROC</constant></entry>
+            <entry>0x9f0000</entry> <entry>The class containing image
+            processing controls. These controls are described in <xref
+            linkend="image-process-controls" />.</entry>
+          </row>
         </tbody>
       </tgroup>
     </table>