diff --git a/audio/policy/1.0/xml/api/current.txt b/audio/policy/1.0/xml/api/current.txt
index 3408a8a91d..84a2b710b8 100644
--- a/audio/policy/1.0/xml/api/current.txt
+++ b/audio/policy/1.0/xml/api/current.txt
@@ -236,10 +236,12 @@ package audio.policy.V1_0 {
 
   public class ValueType {
     ctor public ValueType();
+    method public String getAndroid_type();
     method public String getLiteral();
-    method public int getNumerical();
+    method public long getNumerical();
+    method public void setAndroid_type(String);
     method public void setLiteral(String);
-    method public void setNumerical(int);
+    method public void setNumerical(long);
   }
 
   public class ValuesType {
diff --git a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
index 0b87118eba..b58a6c84fb 100644
--- a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
+++ b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
@@ -189,9 +189,20 @@
     </xs:complexType>
     <xs:complexType name="valueType">
         <xs:attribute name="literal" type="xs:string" use="required"/>
-        <xs:attribute name="numerical" type="xs:int" use="required"/>
+        <xs:attribute name="numerical" type="xs:long" use="required"/>
+        <xs:attribute name="android_type" type="longDecimalOrHexType" use="optional"/>
     </xs:complexType>
 
+    <xs:simpleType name="longDecimalOrHexType">
+      <xs:union memberTypes="xs:long longHexType" />
+    </xs:simpleType>
+
+    <xs:simpleType name="longHexType">
+      <xs:restriction base="xs:string">
+        <xs:pattern value="0x[0-9A-Fa-f]{1,16}"/>
+      </xs:restriction>
+    </xs:simpleType>
+
     <xs:complexType name="attributesRefType">
         <xs:sequence>
             <xs:element name="Attributes" type="AttributesType" minOccurs="1" maxOccurs="1"/>