[media] au0828: add prio, control event and log_status support

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h
index 803af10..ad40048 100644
--- a/drivers/media/usb/au0828/au0828.h
+++ b/drivers/media/usb/au0828/au0828.h
@@ -29,6 +29,7 @@
 #include <media/videobuf-vmalloc.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
+#include <media/v4l2-fh.h>
 
 /* DVB */
 #include "demux.h"
@@ -119,6 +120,9 @@
 };
 
 struct au0828_fh {
+	/* must be the first field of this struct! */
+	struct v4l2_fh fh;
+
 	struct au0828_dev *dev;
 	unsigned int  resources;