xref: /freebsd/sys/dev/backlight/backlight_if.m (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1#-
2# SPDX-License-Identifier: BSD-2-Clause
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
28#include <dev/backlight/backlight.h>
29
30INTERFACE backlight;
31
32CODE {
33	static int
34	backlight_default_update_status(device_t dev, struct backlight_props *props)
35	{
36		return (EOPNOTSUPP);
37	}
38
39	static int
40	backlight_default_get_status(device_t dev, struct backlight_props *props)
41	{
42		return (EOPNOTSUPP);
43	}
44
45	static int
46	backlight_default_get_info(device_t dev, struct backlight_info *info)
47	{
48		return (EOPNOTSUPP);
49	}
50};
51
52METHOD int update_status {
53	device_t dev;
54	struct backlight_props *props;
55} DEFAULT backlight_default_update_status;
56
57METHOD int get_status {
58	device_t dev;
59	struct backlight_props *props;
60} DEFAULT backlight_default_get_status;
61
62METHOD int get_info {
63	device_t dev;
64	struct backlight_info *info;
65} DEFAULT backlight_default_get_info;
66