path: root/Documentation/DocBook/v4l/controls.xml
diff options
authorVaibhav Hiremath <hvaibhav@ti.com>2009-11-09 10:04:06 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-05 18:42:03 -0200
commitbd9778019b4bd52fe21b4e41b826b1282693687e (patch)
treec76e551832cba43e881f3e553d27071d6ada81e3 /Documentation/DocBook/v4l/controls.xml
parent85213630731605503c8fd4df9bf06beefb2cc7c4 (diff)
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>
Diffstat (limited to 'Documentation/DocBook/v4l/controls.xml')
1 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml
index f492accb691..f4645061041 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>
+ <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>End of the predefined control IDs (currently
-<constant>V4L2_CID_COLORFX</constant> + 1).</entry>
+<constant>V4L2_CID_BG_COLOR</constant> + 1).</entry>