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>

3 files changed, 2 insertions, 52 deletions

diff --git a/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.c b/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.c
deleted file mode 100644
index 8ff6c06..0000000
--- a/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2016 "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.
- */
-
-#define _GNU_SOURCE
-
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-
-#include "4a-hal-utilities-data.h"
-#include "4a-hal-utilities-alsa-link.h"
-
-// TODO JAI: implement alsa link functions
\ No newline at end of file
diff --git a/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.h b/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.h
deleted file mode 100644
index 5c15109..0000000
--- a/4a-hal/4a-hal-utilities/4a-hal-utilities-alsa-link.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2016 "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_UTILITIES_ALSA_LINK_INCLUDE_
-#define _HAL_UTILITIES_ALSA_LINK_INCLUDE_
-
-#include <stdio.h>
-
-// TODO JAI: implement alsa link functions
-
-#endif /* _HAL_UTILITIES_DATA_INCLUDE_ */
\ No newline at end of file
diff --git a/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h b/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h
index e357256..34ca3e8 100644
--- a/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h
+++ b/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h
@@ -33,6 +33,7 @@
 enum HalStatus {
 	HAL_STATUS_UNAVAILABLE=0,
 	HAL_STATUS_AVAILABLE=1,
+	HAL_STATUS_READY=2,
 };
 
 struct CtlHalStreamData {
@@ -62,6 +63,7 @@ struct SpecificHalData {
 	char *apiName;
 	enum HalStatus status;
 	char *sndCard;
+	int sndCardId;
 	char *info;
 	unsigned int internal;