xref: /freebsd/sys/dev/backlight/backlight_if.m (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
1#-
2# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3#
4# Copyright (c) 2020 Emmanuel Vadot <manu@FreeBSD.org>
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are 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 the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28
29#include <dev/backlight/backlight.h>
30
31INTERFACE backlight;
32
33CODE {
34	static int
35	backlight_default_update_status(device_t dev, struct backlight_props *props)
36	{
37		return (EOPNOTSUPP);
38	}
39
40	static int
41	backlight_default_get_status(device_t dev, struct backlight_props *props)
42	{
43		return (EOPNOTSUPP);
44	}
45
46	static int
47	backlight_default_get_info(device_t dev, struct backlight_info *info)
48	{
49		return (EOPNOTSUPP);
50	}
51};
52
53METHOD int update_status {
54	device_t dev;
55	struct backlight_props *props;
56} DEFAULT backlight_default_update_status;
57
58METHOD int get_status {
59	device_t dev;
60	struct backlight_props *props;
61} DEFAULT backlight_default_get_status;
62
63METHOD int get_info {
64	device_t dev;
65	struct backlight_info *info;
66} DEFAULT backlight_default_get_info;
67