V4L/DVB (3300): Add standard for South Korean NTSC-M using A2 audio.

South Korea uses NTSC-M but with A2 audio instead of BTSC. Several audio
chips need this information in order to set the correct audio processing
registers.

Acked-by: Mauro Carvalho Chehab <mauro_chehab@yahoo.com.br>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 6e33ce9..965c890 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -638,6 +638,7 @@
 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
+#define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
 
 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
@@ -670,7 +671,8 @@
 				 V4L2_STD_PAL_H		|\
 				 V4L2_STD_PAL_I)
 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
-				 V4L2_STD_NTSC_M_JP)
+				 V4L2_STD_NTSC_M_JP     |\
+				 V4L2_STD_NTSC_M_KR)
 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
 				 V4L2_STD_SECAM_K	|\
 				 V4L2_STD_SECAM_K1)