diff options
Diffstat (limited to 'AlsaSound/HALayer/include/AlsaHalCtls.h')
-rw-r--r-- | AlsaSound/HALayer/include/AlsaHalCtls.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/AlsaSound/HALayer/include/AlsaHalCtls.h b/AlsaSound/HALayer/include/AlsaHalCtls.h new file mode 100644 index 0000000..a17315a --- /dev/null +++ b/AlsaSound/HALayer/include/AlsaHalCtls.h @@ -0,0 +1,57 @@ +/* + * 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 */ + |