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-rw-r--r--AlsaSound/HALayer/include/AlsaHalCtls.h57
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diff --git a/AlsaSound/HALayer/include/AlsaHalCtls.h b/AlsaSound/HALayer/include/AlsaHalCtls.h
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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,
+} 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 */
+