1 /* 2 bt819.h - bt819 notifications 3 4 Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 #ifndef _BT819_H_ 22 #define _BT819_H_ 23 24 #include <linux/ioctl.h> 25 26 /* v4l2_device notifications. */ 27 28 /* Needed to reset the FIFO buffer when changing the input 29 or the video standard. 30 31 Note: these ioctls that internal to the kernel and are never called 32 from userspace. */ 33 #define BT819_FIFO_RESET_LOW _IO('b', 0) 34 #define BT819_FIFO_RESET_HIGH _IO('b', 1) 35 36 #endif 37