diff --git a/media/libaudioclient/include/media/AudioParameter.h b/media/libaudioclient/include/media/AudioParameter.h
index 7469976..3c190f2 100644
--- a/media/libaudioclient/include/media/AudioParameter.h
+++ b/media/libaudioclient/include/media/AudioParameter.h
@@ -70,6 +70,9 @@
     //  keyDeviceConnect / Disconnect: value is an int in audio_devices_t
     static const char * const keyDeviceConnect;
     static const char * const keyDeviceDisconnect;
+    //  Need to be here because vendors still use them.
+    static const char * const keyStreamConnect;  // Deprecated: DO NOT USE.
+    static const char * const keyStreamDisconnect;  // Deprecated: DO NOT USE.
 
     // For querying stream capabilities. All the returned values are lists.
     //   keyStreamSupportedFormats: audio_format_t
diff --git a/media/libmedia/AudioParameter.cpp b/media/libmedia/AudioParameter.cpp
index 060b92b..9f34035 100644
--- a/media/libmedia/AudioParameter.cpp
+++ b/media/libmedia/AudioParameter.cpp
@@ -42,6 +42,8 @@
 const char * const AudioParameter::keyStreamHwAvSync = AUDIO_PARAMETER_STREAM_HW_AV_SYNC;
 const char * const AudioParameter::keyDeviceConnect = AUDIO_PARAMETER_DEVICE_CONNECT;
 const char * const AudioParameter::keyDeviceDisconnect = AUDIO_PARAMETER_DEVICE_DISCONNECT;
+const char * const AudioParameter::keyStreamConnect = AUDIO_PARAMETER_DEVICE_CONNECT;
+const char * const AudioParameter::keyStreamDisconnect = AUDIO_PARAMETER_DEVICE_DISCONNECT;
 const char * const AudioParameter::keyStreamSupportedFormats = AUDIO_PARAMETER_STREAM_SUP_FORMATS;
 const char * const AudioParameter::keyStreamSupportedChannels = AUDIO_PARAMETER_STREAM_SUP_CHANNELS;
 const char * const AudioParameter::keyStreamSupportedSamplingRates =