Document this new colorspace define.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
            <entry><constant>V4L2_COLORSPACE_JPEG</constant></entry>
            <entry>See <xref linkend="col-jpeg" />.</entry>
          </row>
+         <row>
+           <entry><constant>V4L2_COLORSPACE_RAW</constant></entry>
+           <entry>The raw colorspace. This is used for raw image capture where
+           the image is minimally processed and is using the internal colorspace
+           of the device. The software that processes an image using this
+           'colorspace' will have to know the internals of the capture device.</entry>
+         </row>
        </tbody>
       </tgroup>
     </table>