Handle hal status using card presence and mixer init

Test audio card presence at hal startup using alsacore call.
Handling a new state of hal.
Move alsacore link files into 4a-hal-controllers.
Check state of hal before mixer initialization call.
Actualize hal state if mixer initlialization ends well.
Add a sndCardId filed to 'SpecificHalData' structure which will contain
audio card if (from alsa).

Change-Id: I2e82a14ee6ba6e63f06fe2b498587783941b7b98
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

1 files changed, 30 insertions, 0 deletions

diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.h b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.h
new file mode 100644
index 0000000..19ff9e5
--- /dev/null
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author Jonathan Aillet <jonathan.aillet@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.
+ */
+
+#ifndef HAL_CTLS_ALSACORE_LINK_INCLUDE_
+#define HAL_CTLS_ALSACORE_LINK_INCLUDE_
+
+#include <stdio.h>
+#include <stdbool.h>
+
+#define ALSACORE_API		"alsacore"
+#define ALSACORE_GETINFO_VERB	"infoget"
+
+// HAL controllers alsacore calls funtions
+bool HalCtlsGetCardIdByCardPath(afb_dynapi *apiHandle, struct SpecificHalData *currentCtlHalData);
+
+#endif /* HAL_CTLS_ALSACORE_LINK_INCLUDE_ */
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