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Diffstat (limited to 'AlsaSound/HALayer/IntelHda/IntelHdaHAL.c')
| -rw-r--r-- | AlsaSound/HALayer/IntelHda/IntelHdaHAL.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c b/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c new file mode 100644 index 0000000..b04b545 --- /dev/null +++ b/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c @@ -0,0 +1,74 @@ +/* + * 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. + */ +#define _GNU_SOURCE +#include "AlsaHalIface.h" // Include Share Interface to Alsa Sound Card HAL + +/***************************************************************************** + * alsaCtlsMap link hight level sound control with low level Alsa numid ctls. + * + * To find out which control your sound card uses + * aplay -l + * amixer -D hw:xx controls + * amixer -D hw:xx contents + * amixer -D "hw:3" cget numid=xx + *****************************************************************************/ +STATIC alsaHalCtlMapT alsaHalCtlsMap[]= { + { .control=Master_Playback_Volume, .numid=16, .group=OUTVOL, .values=1, .minval=0, .maxval= 87 , .step=0, .acl=RW, .info= "Master Playback Volume" }, + { .control=PCM_Playback_Volume , .numid=27, .group=PCMVOL, .values=2, .minval=0, .maxval= 255, .step=0, .acl=RW, .info= "PCM Playback Volume" }, + { .control=PCM_Playback_Switch , .numid=17, .group=SWITCH, .values=1, .minval=0, .maxval= 1 , .step=0, .acl=RW, .info= "Master Playback Switch" }, + { .control=Capture_Volume , .numid=12, .group=INVOL , .values=2, .minval=0, .maxval= 31 , .step=0, .acl=RW, .info= "Capture Volume" }, + { .numid=0 } /* marker for end of the array */ +} ; + +/*********************************************************************************** + * AlsaHalSndT provides + * - cardname used to map a given card to its HAL + * - ctls previously defined AlsaHalMapT control maps + * - info free text + * + * WARNING: name should fit with 'aplay -l' as it used to map from devid to HAL + * you may also retreive shortname when AudioBinder is running from a browser + * http://localhost:1234/api/alsacore/getcardid?devid=hw:xxx + * + ***********************************************************************************/ +PUBLIC alsaHalSndCardT alsaHalSndCard = { + .name = "HDA Intel PCH", + .info = "Hardware Abstraction Layer for IntelHDA sound card", + .ctls = alsaHalCtlsMap, +}; + +/*********************************************************************************** + * AlsaHalSndT provides + * - cardname used to map a given card to its HAL + * - ctls previously defined AlsaHalMapT control maps + * - info free text + * + * WARNING: name should fit with 'aplay -l' as it used to map from devid to HAL + * you may also retreive shortname when AudioBinder is running from a browser + * http://localhost:1234/api/alsacore/getcardid?devid=hw:xxx + * + ***********************************************************************************/ +PUBLIC struct afb_binding alsaHalBinding = { + /* description conforms to VERSION 1 */ + .type= AFB_BINDING_VERSION_1, + .v1= { + .prefix= "intel-hda", + .info = "Hardware Abstraction Layer for IntelHDA sound card", + } +}; + + |