diff --git a/audio/6.0/config/api/current.txt b/audio/6.0/config/api/current.txt
index 01db90e818..1814b5900b 100644
--- a/audio/6.0/config/api/current.txt
+++ b/audio/6.0/config/api/current.txt
@@ -116,6 +116,7 @@ package audio.policy.configuration.V6_0 {
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX_HD;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_APTX_TWSP;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_CELT;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DEFAULT;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DSD;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_DTS;
diff --git a/audio/6.0/config/audio_policy_configuration.xsd b/audio/6.0/config/audio_policy_configuration.xsd
index c2b8c5dcb4..177af16e8d 100644
--- a/audio/6.0/config/audio_policy_configuration.xsd
+++ b/audio/6.0/config/audio_policy_configuration.xsd
@@ -302,6 +302,7 @@
          TODO: generate from hidl to avoid manual sync. -->
     <xs:simpleType name="audioFormat">
         <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_FORMAT_DEFAULT" />
             <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" />
             <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/>
             <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/>