xref: /freebsd/sys/dev/sound/pcm/mixer_if.m (revision 69d94f4c7608e41505996559367450706e91fbb8) 
1#-
2# KOBJ
3#
4# Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the 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# $FreeBSD$
29#
30
31#include <dev/sound/pcm/sound.h>
32
33INTERFACE mixer;
34
35CODE {
36
37	static int
38	mixer_noreinit(struct snd_mixer *m)
39	{
40		return 0;
41	}
42
43};
44
45METHOD int init {
46	struct snd_mixer *m;
47};
48
49METHOD int reinit {
50	struct snd_mixer *m;
51} DEFAULT mixer_noreinit;
52
53METHOD int uninit {
54	struct snd_mixer *m;
55};
56
57METHOD int set {
58	struct snd_mixer *m;
59	unsigned dev;
60	unsigned left;
61	unsigned right;
62};
63
64METHOD u_int32_t setrecsrc {
65	struct snd_mixer *m;
66	u_int32_t src;
67};
68