Add free of 'CtlHalAlsaMapT' data structure

Add free of 'CtlHalAlsaMapT' data structure.

Change-Id: Icabc1d6f0d6e6977fead8260dd3932c6004c5d10
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

2 files changed, 26 insertions, 2 deletions

diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
index a26fe0a..8f2f418 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
@@ -65,10 +65,31 @@ snd_ctl_elem_type_t HalCtlsMapsAlsaTypeToEnum(const char *label)
 }
 
 /*******************************************************************************
- *		TODO JAI : add function to free 'CtlHalAlsaMapT'	       *
+ *		Free contents of 'CtlHalAlsaMapT' data structure	       *
  ******************************************************************************/
 
+uint8_t HalCtlsFreeAlsaCtlsMap(struct CtlHalAlsaMapT *alsaCtlsMap)
+{
+	int idx;
+
+	if(! alsaCtlsMap)
+		return -1;
+
+	if(alsaCtlsMap->ctlsCount > 0 && ! alsaCtlsMap->ctls)
+		return -2;
 
+	for(idx = 0; idx < alsaCtlsMap->ctlsCount; idx++) {
+		free(alsaCtlsMap->ctls[idx].action);
+		free(alsaCtlsMap->ctls[idx].ctl.alsaCtlProperties.enums);
+		free(alsaCtlsMap->ctls[idx].ctl.alsaCtlProperties.dbscale);
+	}
+
+	free(alsaCtlsMap->ctls);
+
+	free(alsaCtlsMap);
+
+	return 0;
+}
 
 /*******************************************************************************
  *		HAL controllers alsacore calls funtions			       *
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
index 1776c80..d2749a1 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.h
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.h
@@ -49,7 +49,7 @@ struct CtlHalAlsaCtlProperties {
 	int step;
 	// TBD JAI : use them
 	const char **enums;
-	struct CtlHalAlsaDBScale dbscale;
+	struct CtlHalAlsaDBScale *dbscale;
 };
 
 struct CtlHalAlsaCtl {
@@ -76,6 +76,9 @@ struct CtlHalAlsaMapT {
 // Alsa control types map from string function
 snd_ctl_elem_type_t HalCtlsMapsAlsaTypeToEnum(const char *label);
 
+// Free contents of 'CtlHalAlsaMapT' data structure
+uint8_t HalCtlsFreeAlsaCtlsMap(struct CtlHalAlsaMapT *alsaCtlsMap);
+
 // HAL controllers alsacore calls funtions
 int HalCtlsGetCardIdByCardPath(AFB_ApiT apiHandle, char *devPath);
 int HalCtlsSubscribeToAlsaCardEvent(AFB_ApiT apiHandle, char *cardId);