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/*
* 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,
} groupEnum;
typedef enum {
READ,
WRITE,
RW,
} aclEnum;
typedef enum {
Master_Playback_Volume,
PCM_Playback_Volume,
PCM_Playback_Switch,
Capture_Volume,
} actionEnum;
typedef const struct {
actionEnum action;
int numid;
groupEnum group;
int values;
int minval;
int maxval;
int step;
char* info;
aclEnum acl;
} AlsaHalMapT;
typedef struct {
const char *halname;
const char *longname;
const char *info;
AlsaHalMapT *ctls;
} AlsaHalSndT;
#endif /* ALSAMIXERMAP_H */
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