diff --git a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
index 028b022a1b..370ebb75d6 100644
--- a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
@@ -126,7 +126,8 @@ chip soc/intel/tigerlake
 
 	# HD Audio
 	register "PchHdaDspEnable" = "1"
-	register "PchHdaAudioLinkHdaEnable" = "0"
+	register "PchHdaAudioLinkHdaEnable" = "1"
+	register "PchHdaIDispCodecDisconnect" = "1"
 	register "PchHdaAudioLinkDmicEnable[0]" = "1"
 	register "PchHdaAudioLinkDmicEnable[1]" = "1"
 	register "PchHdaAudioLinkSspEnable[0]" = "1"