V4L/DVB: v4l2: Add illuminator controls

Some media devices (microscopes) may have one or many illuminators.
This patch makes them controlable by the applications.

Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml
index 8408caaee276..68c83449d7c9 100644
--- a/Documentation/DocBook/v4l/controls.xml
+++ b/Documentation/DocBook/v4l/controls.xml
@@ -312,10 +312,17 @@ minimum value disables backlight compensation.</entry>
             information and bits 24-31 must be zero.</entry>
           </row>
           <row>
+            <entry><constant>V4L2_CID_ILLUMINATORS_1</constant>
+                <constant>V4L2_CID_ILLUMINATORS_2</constant></entry>
+            <entry>boolean</entry>
+            <entry>Switch on or off the illuminator 1 or 2 of the device
+                (usually a microscope).</entry>
+          </row>
+          <row>
             <entry><constant>V4L2_CID_LASTP1</constant></entry>
             <entry></entry>
             <entry>End of the predefined control IDs (currently
-<constant>V4L2_CID_BG_COLOR</constant> + 1).</entry>
+<constant>V4L2_CID_ILLUMINATORS_2</constant> + 1).</entry>
           </row>
           <row>
             <entry><constant>V4L2_CID_PRIVATE_BASE</constant></entry>