2 files changed, 16 insertions, 17 deletions

diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c
index a5d9c7a..92eed86 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c
@@ -72,8 +72,6 @@ static AFB_ApiVerbs CtlHalDynApiStaticVerbs[] =
 
 static int HalCtlsInitOneApi(AFB_ApiT apiHandle)
 {
-	int err;
-
 	CtlConfigT *ctrlConfig;
 	struct SpecificHalData *currentCtlHalData;
 
@@ -109,16 +107,10 @@ static int HalCtlsInitOneApi(AFB_ApiT apiHandle)
 
 	currentCtlHalData->sndCardId = HalCtlsGetCardIdByCardPath(apiHandle, currentCtlHalData->sndCardPath);
 
-	if(currentCtlHalData->sndCardId < 0) {
+	if(currentCtlHalData->sndCardId < 0)
 		currentCtlHalData->status = HAL_STATUS_UNAVAILABLE;
-	}
-	else {
+	else
 		currentCtlHalData->status = HAL_STATUS_AVAILABLE;
-		if((err = HalCtlsAttachToMixer(apiHandle))) {
-			AFB_ApiError(apiHandle, "Error %i while attaching to mixer", err);
-			return -4;
-		}
-	}
 
 	// TBD JAI: handle refresh of hal status for dynamic card (/dev/by-id)
 
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
index 54d06e3..22783d5 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
@@ -116,21 +116,23 @@ void HalCtlsDispatchApiEvent(afb_dynapi *apiHandle, const char *evtLabel, json_o
 
 int HalCtlsHalMixerConfig(AFB_ApiT apiHandle, CtlSectionT *section, json_object *MixerJ)
 {
+	int err = 0;
+
 	CtlConfigT *ctrlConfig;
 	struct SpecificHalData *currentHalData;
 
 	if(! apiHandle || ! section)
 		return -1;
 
-	if(MixerJ) {
-		ctrlConfig = (CtlConfigT *) afb_dynapi_get_userdata(apiHandle);
-		if(! ctrlConfig)
-			return -2;
+	ctrlConfig = (CtlConfigT *) afb_dynapi_get_userdata(apiHandle);
+	if(! ctrlConfig)
+		return -2;
 
-		currentHalData = (struct SpecificHalData *) ctrlConfig->external;
-		if(! currentHalData)
-			return -3;
+	currentHalData = (struct SpecificHalData *) ctrlConfig->external;
+	if(! currentHalData)
+		return -3;
 
+	if(MixerJ) {
 		if(json_object_is_type(MixerJ, json_type_object))
 			currentHalData->ctlHalSpecificData->halMixerJ = MixerJ;
 		else
@@ -141,6 +143,11 @@ int HalCtlsHalMixerConfig(AFB_ApiT apiHandle, CtlSectionT *section, json_object
 
 		wrap_json_unpack(MixerJ, "{s?:s}", "prefix", &currentHalData->ctlHalSpecificData->prefix);
 	}
+	else if(currentHalData->status == HAL_STATUS_AVAILABLE &&
+		(err = HalCtlsAttachToMixer(apiHandle))) {
+		AFB_ApiError(apiHandle, "%s: Error %i while attaching to mixer", __func__, err);
+		return -6;
+	}
 
 	return 0;
 }