V4L/DVB (7178): Add two new fourcc codes for 16bpp formats

This adds two new fourcc codes (as per info at fourcc.org)
for 16bpp mono and 16bpp Bayer formats.
Signed-off-by: Steven Whitehouse <steve@chygwyn.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

include/linux/videodev2.h

@@ -282,6 +282,7 @@ struct v4l2_pix_format
 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B','G','R','4') /* 32  BGR-8-8-8-8   */
 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R','G','B','4') /* 32  RGB-8-8-8-8   */
 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G','R','E','Y') /*  8  Greyscale     */
+#define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y','1','6',' ') /* 16  Greyscale     */
 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P','A','L','8') /*  8  8-bit palette */
 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y','V','U','9') /*  9  YVU 4:1:0     */
 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y','V','1','2') /* 12  YVU 4:2:0     */
@@ -308,6 +309,7 @@ struct v4l2_pix_format
 
 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B','A','8','1') /*  8  BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B','Y','R','2') /* 16  BGBG.. GRGR.. */
 
 /* compressed formats */
 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M','J','P','G') /* Motion-JPEG   */