diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index eb29497..53cb8ad 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -1398,6 +1398,8 @@
             // Sets the UID records silence
             void        setRecordSilenced(uid_t uid, bool silenced);
 
+            status_t    getActiveMicrophones(std::vector<media::MicrophoneInfo>* activeMicrophones);
+
 private:
             // Enter standby if not already in standby, and set mStandby flag
             void    standbyIfNotAlreadyInStandby();