diff --git a/SoundTriggerDevice.cpp b/SoundTriggerDevice.cpp
index 4a7d388..cd9d616 100644
--- a/SoundTriggerDevice.cpp
+++ b/SoundTriggerDevice.cpp
@@ -470,7 +470,6 @@
     /* Register LSM Lib HIDL service */
     ALOGD("%s: Register LSM HIDL service", __func__);
     sp<IListenSoundModel> service = new ListenSoundModel();
-    configureRpcThreadpool(48, false /*callerWillJoin*/);
     if(android::OK !=  service->registerAsService())
         ALOGW("Could not register LSM HIDL service");
 #endif
@@ -531,6 +530,7 @@
     int status = 0;
     char audio_hal_lib[100];
     void *apiVersion = nullptr;
+    audio_extn_hidl_init initAudioExtn = nullptr;
 
     ALOGD("%s: Enter", __func__);
 
@@ -579,6 +579,14 @@
         ALOGD("%s: ahal is using API version 0x%04x", __func__,
               sthal_prop_api_version_);
     }
+
+    initAudioExtn = (audio_extn_hidl_init)dlsym(ahal_handle_, "check_init_audio_extension");
+    if (!initAudioExtn) {
+        ALOGW("%s: error, failed to get symbol for initAudioExtn",
+              __func__);
+    } else {
+        initAudioExtn();
+    }
     return status;
 
 error:
diff --git a/SoundTriggerPropIntf.h b/SoundTriggerPropIntf.h
index aedff6b..a2cb7a0 100644
--- a/SoundTriggerPropIntf.h
+++ b/SoundTriggerPropIntf.h
@@ -169,4 +169,7 @@
 
 /* AHAL extn util function which is called by STHAL */
 typedef void (*audio_hw_close_snd_mixer_t)(struct mixer *mixer);
+
+/* AHAL extn util function which is called by STHAL */
+typedef void (*audio_extn_hidl_init)();
 #endif /* SOUND_TRIGGER_PROP_INTF_H */