[media] v4l2-ioctl: add ctrl_handler to v4l2_fh

This is required to implement control events and is also needed to allow
for per-filehandle control handlers.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index 0206aa55be2..d2471116ad6 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -30,11 +30,13 @@
 
 struct video_device;
 struct v4l2_events;
+struct v4l2_ctrl_handler;
 
 struct v4l2_fh {
         struct list_head        list;
         struct video_device     *vdev;
         struct v4l2_events      *events; /* events, pending and subscribed */
+        struct v4l2_ctrl_handler *ctrl_handler;
         enum v4l2_priority      prio;
 };