1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 bt819.h - bt819 notifications 4 5 Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) 6 7 */ 8 9 #ifndef _BT819_H_ 10 #define _BT819_H_ 11 12 #include <linux/ioctl.h> 13 14 /* v4l2_device notifications. */ 15 16 /* Needed to reset the FIFO buffer when changing the input 17 or the video standard. 18 19 Note: these ioctls that internal to the kernel and are never called 20 from userspace. */ 21 #define BT819_FIFO_RESET_LOW _IO('b', 0) 22 #define BT819_FIFO_RESET_HIGH _IO('b', 1) 23 24 #endif 25