Some media devices may have one or many lights (LEDs, illuminators,
lamps..). This patch makes them controlable by the applications.
Signed-off-by: Jean-Francois Moine <[email protected]>
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml
index 8408caa..c9b8ca5 100644
--- a/Documentation/DocBook/v4l/controls.xml
+++ b/Documentation/DocBook/v4l/controls.xml
@@ -312,6 +312,13 @@ minimum value disables backlight compensation.</entry>
information and bits 24-31 must be zero.</entry>
</row>
<row>
+ <entry><constant>V4L2_CID_LEDS</constant></entry>
+ <entry>integer</entry>
+ <entry>Switch on or off the LED(s) or illuminator(s) of the device.
+ The control type and values depend on the driver and may be either
+ a single boolean (0: off, 1:on) or the index in a menu type.</entry>
+ </row>
+ <row>
<entry><constant>V4L2_CID_LASTP1</constant></entry>
<entry></entry>
<entry>End of the predefined control IDs (currently
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 61490c6..3807492 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1045,8 +1045,10 @@ enum v4l2_colorfx {
#define V4L2_CID_CHROMA_GAIN (V4L2_CID_BASE+36)
+#define V4L2_CID_LEDS (V4L2_CID_BASE+37)
+
/* last CID + 1 */
-#define V4L2_CID_LASTP1 (V4L2_CID_BASE+37)
+#define V4L2_CID_LASTP1 (V4L2_CID_BASE+38)
/* MPEG-class control IDs defined by V4L2 */
#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
