diff --git a/services/audioflinger/AudioHwDevice.cpp b/services/audioflinger/AudioHwDevice.cpp
index b996c6c9..12f8272 100644
--- a/services/audioflinger/AudioHwDevice.cpp
+++ b/services/audioflinger/AudioHwDevice.cpp
@@ -29,6 +29,9 @@
 
 namespace android {
 
+using media::audio::common::AudioMMapPolicyInfo;
+using media::audio::common::AudioMMapPolicyType;
+
 // ----------------------------------------------------------------------------
 
 status_t AudioHwDevice::openOutputStream(
@@ -102,11 +105,8 @@
     return mHwDevice->getAudioPort(port);
 }
 
-
-
 status_t AudioHwDevice::getMmapPolicyInfos(
-            media::AudioMMapPolicyType policyType,
-            std::vector<media::AudioMMapPolicyInfo> *policyInfos) const {
+            AudioMMapPolicyType policyType, std::vector<AudioMMapPolicyInfo> *policyInfos) const {
     return mHwDevice->getMmapPolicyInfos(policyType, policyInfos);
 }