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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 */
+