diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml
index f46450610412..e1bdbb6eff84 100644
--- a/Documentation/DocBook/v4l/controls.xml
+++ b/Documentation/DocBook/v4l/controls.xml
@@ -266,6 +266,12 @@ minimum value disables backlight compensation.</entry>
 	    <entry>boolean</entry>
 	    <entry>Chroma automatic gain control.</entry>
 	  </row>
+	  <row>
+	    <entry><constant>V4L2_CID_CHROMA_GAIN</constant></entry>
+	    <entry>integer</entry>
+	    <entry>Adjusts the Chroma gain control (for use when chroma AGC
+	    is disabled).</entry>
+	  </row>
 	  <row>
 	    <entry><constant>V4L2_CID_COLOR_KILLER</constant></entry>
 	    <entry>boolean</entry>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 3c265603d735..418dacf5261d 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1030,8 +1030,11 @@ enum v4l2_colorfx {
 
 #define V4L2_CID_ROTATE				(V4L2_CID_BASE+34)
 #define V4L2_CID_BG_COLOR			(V4L2_CID_BASE+35)
+
+#define V4L2_CID_CHROMA_GAIN                    (V4L2_CID_BASE+36)
+
 /* last CID + 1 */
-#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+36)
+#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+37)
 
 /*  MPEG-class control IDs defined by V4L2 */
 #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)