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authorTobias Jahnke <tjahnk@users.noreply.github.com>2017-08-04 19:06:08 +0200
committerTobias Jahnke <tjahnk@users.noreply.github.com>2017-08-16 16:00:50 +0200
commitb046f9ef9071c2a22f62b8eed34ccb25266c54ea (patch)
tree046b283da14964c9862e4fa7665c030f82f8a2a7 /HAL-afb/hal-most-unicens/hal_most_unicens.c
parent5d4ac3aebd5f269ced0cd6f572090ad1c927e5be (diff)
adds HAL for MOST/UNICENS
Diffstat (limited to 'HAL-afb/hal-most-unicens/hal_most_unicens.c')
-rw-r--r--HAL-afb/hal-most-unicens/hal_most_unicens.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/HAL-afb/hal-most-unicens/hal_most_unicens.c b/HAL-afb/hal-most-unicens/hal_most_unicens.c
new file mode 100644
index 0000000..a98906c
--- /dev/null
+++ b/HAL-afb/hal-most-unicens/hal_most_unicens.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017, Microchip Technology Inc. and its subsidiaries.
+ * Author Tobias Jahnke
+ *
+ * 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 "hal-interface.h"
+#include "audio-interface.h"
+
+/* declare ALSA mixer controls */
+STATIC alsaHalMapT alsaHalMap[]= {
+ { .tag=Master_Playback_Volume, .ctl={.name="Master Playback Volume" } },
+ { .tag=Master_OnOff_Switch , .ctl={.name="Master Playback Switch" } },
+ { .tag=PCM_Playback_Volume , .ctl={.name="PCM Playback Volume" } },
+ { .tag=EndHalCrlTag} /* marker for end of the array */
+} ;
+
+/* HAL sound card mapping info */
+STATIC alsaHalSndCardT alsaHalSndCard = {
+ .name = "Microchip MOST:1", /* WARNING: name MUST match with 'aplay -l' */
+ .info = "HAL for MICROCHIP MOST sound card controlled by UNICENS binding",
+ .ctls = alsaHalMap,
+ .volumeCB = NULL, /* use default volume normalization function */
+};
+
+
+STATIC int sndServiceInit () {
+ int err;
+ AFB_DEBUG ("Initializing HAL-MOST-UNICENS-BINDING");
+
+ err = halServiceInit (afbBindingV2.api, &alsaHalSndCard);
+ return err;
+}
+
+// API prefix should be unique for each snd card
+PUBLIC const struct afb_binding_v2 afbBindingV2 = {
+ .api = "hal-most-unicens",
+ .init = sndServiceInit,
+ .verbs = halServiceApi,
+ .onevent = halServiceEvent,
+};