1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun bt819.h - bt819 notifications 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef _BT819_H_ 10*4882a593Smuzhiyun #define _BT819_H_ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/ioctl.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* v4l2_device notifications. */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Needed to reset the FIFO buffer when changing the input 17*4882a593Smuzhiyun or the video standard. 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun Note: these ioctls that internal to the kernel and are never called 20*4882a593Smuzhiyun from userspace. */ 21*4882a593Smuzhiyun #define BT819_FIFO_RESET_LOW _IO('b', 0) 22*4882a593Smuzhiyun #define BT819_FIFO_RESET_HIGH _IO('b', 1) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #endif 25