media/i2c/bt819.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003     bt819.h - bt819 notifications
0004
0005     Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl)
0006
0007 */
0008
0009 #ifndef _BT819_H_
0010 #define _BT819_H_
0011
0012 #include <linux/ioctl.h>
0013
0014 /* v4l2_device notifications. */
0015
0016 /* Needed to reset the FIFO buffer when changing the input
0017    or the video standard.
0018
0019    Note: these ioctls that internal to the kernel and are never called
0020    from userspace. */
0021 #define BT819_FIFO_RESET_LOW    _IO('b', 0)
0022 #define BT819_FIFO_RESET_HIGH   _IO('b', 1)
0023
0024 #endif