1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright (C) 2016 "IoT.bzh"
* Author Fulup Ar Foll <fulup@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* reference:
* amixer contents; amixer controls;
* http://www.tldp.org/HOWTO/Alsa-sound-6.html
*/
#ifndef ALSAMIXERMAP_H
#define ALSAMIXERMAP_H
// Most controls are MIXER but some vendor specific are possible
typedef enum {
OUTVOL,
PCMVOL,
INVOL,
SWITCH,
ROUTE,
CARD,
} halGroupEnumT;
typedef enum {
READ,
WRITE,
RW,
} halAclEnumT;
typedef enum {
StartHalCrlTag=0,
// HighLevel Audio Control List
Master_Playback_Volume,
PCM_Playback_Volume,
PCM_Playback_Switch,
Capture_Volume,
EndHalCrlTag // used to compute number of ctls
} halControlEnumT;
#endif /* ALSAMIXERMAP_H */
|
