V4L/DVB (10496): saa7146: implement v4l2_device support.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index c5a6e22a..b9dfeeb 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -13,6 +13,7 @@
 #include <linux/stringify.h>
 #include <linux/mutex.h>
 #include <linux/scatterlist.h>
+#include <media/v4l2-device.h>
 
 #include <linux/vmalloc.h>	/* for vmalloc() */
 #include <linux/mm.h>		/* for vmalloc_to_page() */
@@ -110,6 +111,8 @@
 
 	struct list_head		item;
 
+	struct v4l2_device 		v4l2_dev;
+
 	/* different device locks */
 	spinlock_t			slock;
 	struct mutex			lock;