This is a common feature on many cameras. the options are:
Default colors,
B & W,
Sepia
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 #define V4L2_CID_BACKLIGHT_COMPENSATION        (V4L2_CID_BASE+28)
 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
+#define V4L2_CID_COLORFX                       (V4L2_CID_BASE+31)
+enum v4l2_colorfx {
+       V4L2_COLORFX_NONE       = 0,
+       V4L2_COLORFX_BW         = 1,
+       V4L2_COLORFX_SEPIA      = 2,
+};
+
 /* last CID + 1 */
-#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+31)
+#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+32)
 
 /*  MPEG-class control IDs defined by V4L2 */
 #define V4L2_CID_MPEG_BASE                     (V4L2_CTRL_CLASS_MPEG | 0x900)