V4L/DVB (10721): bt856: convert to v4l2_subdev.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index 0766106..69e3092 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -76,6 +76,9 @@
 	V4L2_IDENT_BT817A = 817,
 	V4L2_IDENT_BT819A = 819,
 
+	/* module bt856: just ident 856 */
+	V4L2_IDENT_BT856 = 856,
+
 	/* module bt866: just ident 866 */
 	V4L2_IDENT_BT866 = 866,