V4L/DVB (13468): v4l2 doc: Added ROTATE and BG_COLOR control documentation

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 19 insertions, 1 deletions

diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml
index f492accb691d..f46450610412 100644
--- a/Documentation/DocBook/v4l/controls.xml
+++ b/Documentation/DocBook/v4l/controls.xml
@@ -281,10 +281,28 @@ minimum value disables backlight compensation.</entry>
 <constant>V4L2_COLORFX_SEPIA</constant> (2).</entry>
           </row>
           <row>
+            <entry><constant>V4L2_CID_ROTATE</constant></entry>
+            <entry>integer</entry>
+            <entry>Rotates the image by specified angle. Common angles are 90,
+            270 and 180. Rotating the image to 90 and 270 will reverse the height
+            and width of the display window. It is necessary to set the new height and
+            width of the picture using the &VIDIOC-S-FMT; ioctl according to
+            the rotation angle selected.</entry>
+          </row>
+          <row>
+            <entry><constant>V4L2_CID_BG_COLOR</constant></entry>
+            <entry>integer</entry>
+            <entry>Sets the background color on the current output device.
+            Background color needs to be specified in the RGB24 format. The
+            supplied 32 bit value is interpreted as bits 0-7 Red color information,
+            bits 8-15 Green color information, bits 16-23 Blue color
+            information and bits 24-31 must be zero.</entry>
+          </row>
+          <row>
             <entry><constant>V4L2_CID_LASTP1</constant></entry>
             <entry></entry>
             <entry>End of the predefined control IDs (currently
-<constant>V4L2_CID_COLORFX</constant> + 1).</entry>
+<constant>V4L2_CID_BG_COLOR</constant> + 1).</entry>
           </row>
           <row>
             <entry><constant>V4L2_CID_PRIVATE_BASE</constant></entry>