1 files changed, 5 insertions, 0 deletions
diff --git a/plugins/alsa/alsa-softmixer.h b/plugins/alsa/alsa-softmixer.h
index f33ea62..376635a 100644
--- a/plugins/alsa/alsa-softmixer.h
+++ b/plugins/alsa/alsa-softmixer.h
@@ -211,6 +211,7 @@ typedef struct AlsaSndCtlT_ {
 	long nbRegistry;
 	struct cds_list_head registryList;
 	struct SubscribeHandleT_ * eventSubscribeHandle;
+	bool optional;
 } AlsaSndCtlT;
 
 
@@ -244,6 +245,7 @@ typedef struct {
 	bool isPcmPlug;
 	void * apiVerbHandle;
 	unsigned int quirks;
+	bool optional;
 } AlsaSndPcmT;
 
 typedef struct {
@@ -283,9 +285,12 @@ typedef struct AlsaStreamAudioT_ {
     AlsaPcmCopyHandleT *copy;
 	struct cds_list_head	list;	/* link to the global list*/
 	AlsaPcmCtlT * softvol;
+
 	snd_config_t * softvolConfig;
 	snd_config_t * rateConfig;
 	void * verbApiHandle;
+	bool optional;
+	bool noHwDetected;
 } AlsaStreamAudioT;
 
 typedef struct SoftMixerT_{