1 files changed, 67 insertions, 1 deletions

diff --git a/lib/4a-hal-utilities/4a-hal-utilities-alsa-data.c b/lib/4a-hal-utilities/4a-hal-utilities-alsa-data.c
index 90fb612..5d37c0a 100644
--- a/lib/4a-hal-utilities/4a-hal-utilities-alsa-data.c
+++ b/lib/4a-hal-utilities/4a-hal-utilities-alsa-data.c
@@ -19,14 +19,80 @@
 
 #include <stdio.h>
 
+#include <wrap-json.h>
+
 #include <afb/afb-binding.h>
 
 #include "4a-hal-utilities-alsa-data.h"
 
 /*******************************************************************************
- *		Free contents of 'InternalHalAlsaMapT' data structure	       *
+ *	Internal Hal - ALSA controls data handling functions		       *
  ******************************************************************************/
 
+json_object *HalUtGetJsonArrayForSpecificControl(afb_api_t apiHandle, struct InternalHalAlsaMap *currentAlsaMapData)
+{
+	int wrapRet;
+
+	json_object *currentAlsaMapDataJ;
+
+	if(! apiHandle) {
+		AFB_API_ERROR(apiHandle, "Can't get current internal hal api handle");
+		return NULL;
+	}
+
+	if(! currentAlsaMapData) {
+		AFB_API_ERROR(apiHandle, "ALSA control data to use to generate json object are empty");
+		return NULL;
+	}
+
+	wrapRet = wrap_json_pack(&currentAlsaMapDataJ,
+				 "{s:s s:s}",
+				 "name", currentAlsaMapData->uid,
+				 "info", currentAlsaMapData->info ? currentAlsaMapData->info : "none");
+	if(wrapRet) {
+		AFB_API_ERROR(apiHandle, "Didn't succeed to allocate current streams json object");
+		return NULL;
+	}
+
+	return currentAlsaMapDataJ;
+}
+
+json_object *HalUtGetJsonArrayForAllControls(afb_api_t apiHandle, struct InternalHalAlsaMapT *currentAlsaMapDataT)
+{
+	unsigned int idx;
+
+	json_object *alsaMapDataArrayJ, *currentAlsaMapDataJ;
+
+	if(! apiHandle) {
+		AFB_API_ERROR(apiHandle, "Can't get current internal hal api handle");
+		return NULL;
+	}
+
+	if(! currentAlsaMapDataT) {
+		AFB_API_ERROR(apiHandle, "Can't get Alsa map data table to handle");
+		return NULL;
+	}
+
+	alsaMapDataArrayJ = json_object_new_array();
+	if(! alsaMapDataArrayJ) {
+		AFB_API_ERROR(apiHandle, "Didn't succeed to allocate ALSA controls data json array");
+		return NULL;
+	}
+
+	for(idx = 0; idx < currentAlsaMapDataT->ctlsCount; idx++) {
+		currentAlsaMapDataJ = HalUtGetJsonArrayForSpecificControl(apiHandle, &currentAlsaMapDataT->ctls[idx]);
+		if(! currentAlsaMapDataJ) {
+			AFB_API_ERROR(apiHandle, "Didn't succeed to generate current ALSA control data json object");
+			json_object_put(alsaMapDataArrayJ);
+			return NULL;
+		}
+
+		json_object_array_add(alsaMapDataArrayJ, currentAlsaMapDataJ);
+	}
+
+	return alsaMapDataArrayJ;
+}
+
 int HalUtlFreeAlsaCtlsMap(struct InternalHalAlsaMapT *alsaCtlsMap)
 {
 	int idx;