V4L/DVB (13183): gspca: add stv0680 subdriver

This patch adds a new subdriver to gspca supporting cams with the stv0680
bridge (replacing the old in kernel v4l1 driver).

Many thanks to Hans Verkuil for providing me with one of the 2 cams used in
testing this new sub driver.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index b59e78c..b9a799a 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -361,6 +361,7 @@
 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
+#define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
 
 /*
  *	F O R M A T   E N U M E R A T I O N