include/media/bt819.h

   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