diff --git a/include/media/AudioPolicy.h b/include/media/AudioPolicy.h
index a171493..c769a62 100644
--- a/include/media/AudioPolicy.h
+++ b/include/media/AudioPolicy.h
@@ -97,6 +97,7 @@
 
 // definitions for audio recording configuration updates
 // which update type is reported
+#define RECORD_CONFIG_EVENT_NONE -1
 #define RECORD_CONFIG_EVENT_START 1
 #define RECORD_CONFIG_EVENT_STOP  0
 
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 7011858..e3f2d60 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -32,8 +32,8 @@
 typedef void (*audio_error_callback)(status_t err);
 typedef void (*dynamic_policy_callback)(int event, String8 regId, int val);
 typedef void (*record_config_callback)(int event, int session, int source,
-                const audio_config_base_t *clientConfig,
-                const audio_config_base_t *deviceConfig);
+                const audio_config_base_t *clientConfig, const audio_config_base_t *deviceConfig,
+                audio_patch_handle_t patchHandle);
 
 class IAudioFlinger;
 class IAudioPolicyService;
@@ -427,7 +427,7 @@
         virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
         virtual void onRecordingConfigurationUpdate(int event, audio_session_t session,
                         audio_source_t source, const audio_config_base_t *clientConfig,
-                        const audio_config_base_t *deviceConfig);
+                        const audio_config_base_t *deviceConfig, audio_patch_handle_t patchHandle);
 
     private:
         Mutex                               mLock;
diff --git a/include/media/IAudioPolicyServiceClient.h b/include/media/IAudioPolicyServiceClient.h
index 8c3459d..d94ad00 100644
--- a/include/media/IAudioPolicyServiceClient.h
+++ b/include/media/IAudioPolicyServiceClient.h
@@ -41,7 +41,8 @@
     virtual void onRecordingConfigurationUpdate(int event, audio_session_t session,
             audio_source_t source,
             const audio_config_base_t *clientConfig,
-            const audio_config_base_t *deviceConfig) = 0;
+            const audio_config_base_t *deviceConfig,
+            audio_patch_handle_t patchHandle) = 0;
 };