diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 92d8c83..00f14e1 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -282,6 +282,14 @@
                                                        volume_group_t &volumeGroup) = 0;
 
     virtual bool     isCallScreenModeSupported() = 0;
+
+    virtual status_t setPreferredDeviceForStrategy(product_strategy_t strategy,
+                                                   const AudioDeviceTypeAddr &device) = 0;
+
+    virtual status_t removePreferredDeviceForStrategy(product_strategy_t strategy) = 0;
+
+    virtual status_t getPreferredDeviceForStrategy(product_strategy_t strategy,
+                                                   AudioDeviceTypeAddr &device) = 0;
 };