Add a table to see which hal is using which alsa hw

Add a table to see which controller hal is using which alsa hw.
This table is stored in the hal manager data structure.
It will be used at initialization to check if the device is free before
sending the mixer attach call.

Change-Id: I94bcb3224f2bf1756d4b53786e324ac13e55c573
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

1 files changed, 4 insertions, 0 deletions

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 2e66b87..8fcab33 100644
--- a/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h
+++ b/4a-hal/4a-hal-utilities/4a-hal-utilities-data.h
@@ -27,6 +27,8 @@
 
 #include <ctl-config.h>
 
+#define ALSA_MAX_CARD 32
+
 // Enum for sharing hal (controller or external) status
 enum HalStatus {
 	HAL_STATUS_UNAVAILABLE=0,
@@ -78,6 +80,8 @@ struct HalMgrData {
 	char *apiName;
 	char *info;
 
+	struct SpecificHalData usedCardId[ALSA_MAX_CARD];
+
 	afb_dynapi *apiHandle;
 
 	struct SpecificHalData *first;