| Thomas Gleixner | 74ba920 | 2019-05-20 09:19:02 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Hans Verkuil | 1cd3c0f | 2009-03-08 17:04:38 -0300 | [diff] [blame] | 2 | /* |
| 3 | bt819.h - bt819 notifications |
| 4 | |
| 5 | Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) |
| 6 | |
| Hans Verkuil | 1cd3c0f | 2009-03-08 17:04:38 -0300 | [diff] [blame] | 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 |
| Hans Verkuil | 66832ae | 2010-12-27 12:27:50 -0300 | [diff] [blame] | 17 | or the video standard. |
| 18 | |
| 19 | Note: these ioctls that internal to the kernel and are never called |
| 20 | from userspace. */ |
| Mauro Carvalho Chehab | 6e6a8b5 | 2018-01-04 13:08:56 -0500 | [diff] [blame] | 21 | #define BT819_FIFO_RESET_LOW _IO('b', 0) |
| 22 | #define BT819_FIFO_RESET_HIGH _IO('b', 1) |
| Hans Verkuil | 1cd3c0f | 2009-03-08 17:04:38 -0300 | [diff] [blame] | 23 | |
| 24 | #endif |