diff --git a/media/libaudioclient/PolicyAidlConversion.cpp b/media/libaudioclient/PolicyAidlConversion.cpp
index 4423eb6..3790000 100644
--- a/media/libaudioclient/PolicyAidlConversion.cpp
+++ b/media/libaudioclient/PolicyAidlConversion.cpp
@@ -472,4 +472,47 @@
     return unexpected(BAD_VALUE);
 }
 
+ConversionResult<audio_mixer_behavior_t>
+aidl2legacy_AudioMixerBehavior_audio_mixer_behavior_t(media::AudioMixerBehavior aidl) {
+    switch (aidl) {
+        case media::AudioMixerBehavior::DEFAULT:
+            return AUDIO_MIXER_BEHAVIOR_DEFAULT;
+        case media::AudioMixerBehavior::INVALID:
+            return AUDIO_MIXER_BEHAVIOR_INVALID;
+    }
+    return unexpected(BAD_VALUE);
+}
+ConversionResult<media::AudioMixerBehavior>
+legacy2aidl_audio_mixer_behavior_t_AudioMixerBehavior(audio_mixer_behavior_t legacy) {
+    switch (legacy) {
+        case AUDIO_MIXER_BEHAVIOR_DEFAULT:
+            return media::AudioMixerBehavior::DEFAULT;
+        case AUDIO_MIXER_BEHAVIOR_INVALID:
+            return media::AudioMixerBehavior::INVALID;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_mixer_attributes_t>
+aidl2legacy_AudioMixerAttributesInternal_audio_mixer_attributes_t(
+        const media::AudioMixerAttributesInternal& aidl) {
+    audio_mixer_attributes_t legacy = AUDIO_MIXER_ATTRIBUTES_INITIALIZER;
+    legacy.config = VALUE_OR_RETURN(
+            aidl2legacy_AudioConfigBase_audio_config_base_t(aidl.config, false /*isInput*/));
+    legacy.mixer_behavior = VALUE_OR_RETURN(
+            aidl2legacy_AudioMixerBehavior_audio_mixer_behavior_t(aidl.mixerBehavior));
+    return legacy;
+}
+ConversionResult<media::AudioMixerAttributesInternal>
+legacy2aidl_audio_mixer_attributes_t_AudioMixerAttributesInternal(
+        const audio_mixer_attributes& legacy) {
+    media::AudioMixerAttributesInternal aidl;
+    aidl.config = VALUE_OR_RETURN(
+            legacy2aidl_audio_config_base_t_AudioConfigBase(legacy.config, false /*isInput*/));
+    aidl.mixerBehavior = VALUE_OR_RETURN(
+            legacy2aidl_audio_mixer_behavior_t_AudioMixerBehavior(legacy.mixer_behavior));
+    return aidl;
+}
+
+
 }  // namespace android