include/media/i2c/bt819.h

   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