33 void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev)  in v4l2_fh_init()  argument
35 	fh->vdev = vdev;  in v4l2_fh_init()
37 	fh->ctrl_handler = vdev->ctrl_handler;  in v4l2_fh_init()
39 	set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags);  in v4l2_fh_init()
45 	set_bit(_IOC_NR(VIDIOC_G_PRIORITY), vdev->valid_ioctls);  in v4l2_fh_init()
46 	set_bit(_IOC_NR(VIDIOC_S_PRIORITY), vdev->valid_ioctls);  in v4l2_fh_init()
59 	v4l2_prio_open(fh->vdev->prio, &fh->prio);  in v4l2_fh_add()
60 	spin_lock_irqsave(&fh->vdev->fh_lock, flags);  in v4l2_fh_add()
61 	list_add(&fh->list, &fh->vdev->fh_list);  in v4l2_fh_add()
62 	spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);  in v4l2_fh_add()
68 	struct video_device *vdev = video_devdata(filp);  in v4l2_fh_open()  local
74 	v4l2_fh_init(fh, vdev);  in v4l2_fh_open()
84 	spin_lock_irqsave(&fh->vdev->fh_lock, flags);  in v4l2_fh_del()
86 	spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);  in v4l2_fh_del()
87 	v4l2_prio_close(fh->vdev->prio, fh->prio);  in v4l2_fh_del()
93 	if (fh->vdev == NULL)  in v4l2_fh_exit()
96 	fh->vdev = NULL;  in v4l2_fh_exit()
118 	if (fh == NULL || fh->vdev == NULL)  in v4l2_fh_is_singular()
120 	spin_lock_irqsave(&fh->vdev->fh_lock, flags);  in v4l2_fh_is_singular()
122 	spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);  in v4l2_fh_is_singular()