diff --git a/include/hardware/bt_av.h b/include/hardware/bt_av.h
index 415c527..e5f7b31 100644
--- a/include/hardware/bt_av.h
+++ b/include/hardware/bt_av.h
@@ -52,6 +52,7 @@
   BTAV_A2DP_CODEC_INDEX_SOURCE_SBC = 0,
   BTAV_A2DP_CODEC_INDEX_SOURCE_APTX,
   BTAV_A2DP_CODEC_INDEX_SOURCE_APTX_HD,
+  BTAV_A2DP_CODEC_INDEX_SOURCE_LDAC,
 
   BTAV_A2DP_CODEC_INDEX_SOURCE_MAX,