static int vidioc_streamoff(struct file *file, void *private_data, enum v4l2_buf_type type)
{
	MARK();
	dprintk("%d\n", type);
	return 0;
}
static int vidioc_streamoff(struct file *file, void *private_data, enum v4l2_buf_type type)
{
	MARK();
	dprintk("%d\n", type);
	return 0;
}