768 unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)  in vb2_poll()  argument
770 	struct video_device *vfd = video_devdata(file);  in vb2_poll()
777 		struct v4l2_fh *fh = file->private_data;  in vb2_poll()
782 			poll_wait(file, &fh->wait, wait);  in vb2_poll()
839 		poll_wait(file, &q->done_wq, wait);  in vb2_poll()
1399 static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)  in vb2_queue_is_busy()  argument
1401 	return vdev->queue->owner && vdev->queue->owner != file->private_data;  in vb2_queue_is_busy()
1406 int vb2_ioctl_reqbufs(struct file *file, void *priv,  in vb2_ioctl_reqbufs()  argument
1409 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_reqbufs()
1414 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_reqbufs()
1420 		vdev->queue->owner = p->count ? file->private_data : NULL;  in vb2_ioctl_reqbufs()
1425 int vb2_ioctl_create_bufs(struct file *file, void *priv,  in vb2_ioctl_create_bufs()  argument
1428 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_create_bufs()
1441 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_create_bufs()
1446 		vdev->queue->owner = file->private_data;  in vb2_ioctl_create_bufs()
1451 int vb2_ioctl_prepare_buf(struct file *file, void *priv,  in vb2_ioctl_prepare_buf()  argument
1454 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_prepare_buf()
1456 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_prepare_buf()
1462 int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_querybuf()  argument
1464 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_querybuf()
1471 int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_qbuf()  argument
1473 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_qbuf()
1475 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_qbuf()
1481 int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_dqbuf()  argument
1483 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_dqbuf()
1485 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_dqbuf()
1487 	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);  in vb2_ioctl_dqbuf()
1491 int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamon()  argument
1493 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamon()
1495 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamon()
1501 int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamoff()  argument
1503 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamoff()
1505 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamoff()
1511 int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p)  in vb2_ioctl_expbuf()  argument
1513 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_expbuf()
1515 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_expbuf()
1523 int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)  in vb2_fop_mmap()  argument
1525 	struct video_device *vdev = video_devdata(file);  in vb2_fop_mmap()
1531 int _vb2_fop_release(struct file *file, struct mutex *lock)  in _vb2_fop_release()  argument
1533 	struct video_device *vdev = video_devdata(file);  in _vb2_fop_release()
1537 	if (file->private_data == vdev->queue->owner) {  in _vb2_fop_release()
1543 	return v4l2_fh_release(file);  in _vb2_fop_release()
1547 int vb2_fop_release(struct file *file)  in vb2_fop_release()  argument
1549 	struct video_device *vdev = video_devdata(file);  in vb2_fop_release()
1552 	return _vb2_fop_release(file, lock);  in vb2_fop_release()
1556 ssize_t vb2_fop_write(struct file *file, const char __user *buf,  in vb2_fop_write()  argument
1559 	struct video_device *vdev = video_devdata(file);  in vb2_fop_write()
1567 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_write()
1570 		       file->f_flags & O_NONBLOCK);  in vb2_fop_write()
1572 		vdev->queue->owner = file->private_data;  in vb2_fop_write()
1580 ssize_t vb2_fop_read(struct file *file, char __user *buf,  in vb2_fop_read()  argument
1583 	struct video_device *vdev = video_devdata(file);  in vb2_fop_read()
1591 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_read()
1594 		       file->f_flags & O_NONBLOCK);  in vb2_fop_read()
1596 		vdev->queue->owner = file->private_data;  in vb2_fop_read()
1604 unsigned int vb2_fop_poll(struct file *file, poll_table *wait)  in vb2_fop_poll()  argument
1606 	struct video_device *vdev = video_devdata(file);  in vb2_fop_poll()
1623 	res = vb2_poll(vdev->queue, file, wait);  in vb2_fop_poll()
1627 		q->owner = file->private_data;  in vb2_fop_poll()
1635 unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr,  in vb2_fop_get_unmapped_area()  argument
1638 	struct video_device *vdev = video_devdata(file);  in vb2_fop_get_unmapped_area()