1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _LINUXKPI_ACPI_VIDEO_H_
30 #define _LINUXKPI_ACPI_VIDEO_H_
31
32 #include <sys/types.h>
33 #include <sys/errno.h>
34
35 #define ACPI_VIDEO_CLASS "video"
36
37 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
38
39 static inline int
acpi_video_register(void)40 acpi_video_register(void)
41 {
42
43 return (-ENODEV);
44 }
45
46 static inline void
acpi_video_unregister(void)47 acpi_video_unregister(void)
48 {
49 }
50
51 static inline void
acpi_video_register_backlight(void)52 acpi_video_register_backlight(void)
53 {
54 }
55
56 static inline bool
acpi_video_backlight_use_native(void)57 acpi_video_backlight_use_native(void)
58 {
59 return (true);
60 }
61
62 #endif /* _LINUXKPI_ACPI_VIDEO_H_ */
63