diff --git a/audio/v4_0/AudioTypes.idl b/audio/v4_0/AudioTypes.idl
index e57082a3b6b893e42a4ff3096822a63bb3770901..e6d834ca12fc66c7c0c653f609564b03bc159a57 100644
--- a/audio/v4_0/AudioTypes.idl
+++ b/audio/v4_0/AudioTypes.idl
@@ -424,7 +424,7 @@ struct AudioSceneDescriptor {
  * @brief Defines audio input type.
  *
  * @since 4.1
- * @version 3.0
+ * @version 3.1
  */
 enum AudioInputType {
     AUDIO_INPUT_DEFAULT_TYPE             = 0,      /**< Assigned default input type */
@@ -438,6 +438,7 @@ enum AudioInputType {
     AUDIO_INPUT_CAMCORDER_TYPE           = 1 << 7, /**< Assigned camcorder input type */
     AUDIO_INPUT_EC_TYPE                  = 1 << 8, /**< Assigned EC input type */
     AUDIO_INPUT_NOISE_REDUCTION_TYPE     = 1 << 9, /**< Assigned noise reduction input type */
+    AUDIO_INPUT_RAW_TYPE                 = 1 << 10, /**< Assigned raw input type */
 };
 
 /**