diff --git a/services/audiopolicy/AudioPolicyManager.h b/services/audiopolicy/AudioPolicyManager.h
index 0fa182b..2bc91e1 100644
--- a/services/audiopolicy/AudioPolicyManager.h
+++ b/services/audiopolicy/AudioPolicyManager.h
@@ -264,7 +264,7 @@
 
             audio_gain_mode_t loadGainMode(char *name);
             void loadGain(cnode *root, int index);
-            void loadGains(cnode *root);
+            virtual void loadGains(cnode *root);
 
             // searches for an exact match
             status_t checkExactSamplingRate(uint32_t samplingRate) const;
@@ -344,10 +344,14 @@
             virtual ~DeviceDescriptor() {}
 
             bool equals(const sp<DeviceDescriptor>& other) const;
+
+            // AudioPortConfig
+            virtual sp<AudioPort> getAudioPort() const { return (AudioPort*) this; }
             virtual void toAudioPortConfig(struct audio_port_config *dstConfig,
                                    const struct audio_port_config *srcConfig = NULL) const;
-            virtual sp<AudioPort> getAudioPort() const { return (AudioPort*) this; }
 
+            // AudioPort
+            virtual void loadGains(cnode *root);
             virtual void toAudioPort(struct audio_port *port) const;
 
             status_t dump(int fd, int spaces, int index) const;