diff options
Diffstat (limited to 'drivers/media/video/v4l2-fh.c')
| -rw-r--r-- | drivers/media/video/v4l2-fh.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/media/video/v4l2-fh.c b/drivers/media/video/v4l2-fh.c index 717f71e6370e..122822d2b8b2 100644 --- a/drivers/media/video/v4l2-fh.c +++ b/drivers/media/video/v4l2-fh.c @@ -29,23 +29,18 @@ #include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> -int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) +void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) { fh->vdev = vdev; + /* Inherit from video_device. May be overridden by the driver. */ + fh->ctrl_handler = vdev->ctrl_handler; INIT_LIST_HEAD(&fh->list); set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags); fh->prio = V4L2_PRIORITY_UNSET; - - /* - * fh->events only needs to be initialized if the driver - * supports the VIDIOC_SUBSCRIBE_EVENT ioctl. - */ - if (vdev->ioctl_ops && vdev->ioctl_ops->vidioc_subscribe_event) - return v4l2_event_init(fh); - - fh->events = NULL; - - return 0; + init_waitqueue_head(&fh->wait); + INIT_LIST_HEAD(&fh->available); + INIT_LIST_HEAD(&fh->subscribed); + fh->sequence = -1; } EXPORT_SYMBOL_GPL(v4l2_fh_init); @@ -91,10 +86,8 @@ void v4l2_fh_exit(struct v4l2_fh *fh) { if (fh->vdev == NULL) return; - + v4l2_event_unsubscribe_all(fh); fh->vdev = NULL; - - v4l2_event_free(fh); } EXPORT_SYMBOL_GPL(v4l2_fh_exit); |