diff --git a/arch/arm/boot/dts/overlays/allo-piano-dac-plus-pcm512x-audio-overlay.dts b/arch/arm/boot/dts/overlays/allo-piano-dac-plus-pcm512x-audio-overlay.dts
index 374c553db062e745cab29d389a2ffd1f26d0a543..d47a35def4f76c23343792a9017e1aea19a6c6d1 100644
--- a/arch/arm/boot/dts/overlays/allo-piano-dac-plus-pcm512x-audio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/allo-piano-dac-plus-pcm512x-audio-overlay.dts
@@ -23,12 +23,14 @@
 				#sound-dai-cells = <0>;
 				compatible = "ti,pcm5122";
 				reg = <0x4c>;
+				sound-name-prefix = "Main";
 				status = "okay";
 			};
 			allo_pcm5122_4d: pcm5122@4d {
 				#sound-dai-cells = <0>;
 				compatible = "ti,pcm5122";
 				reg = <0x4d>;
+				sound-name-prefix = "Sub";
 				status = "okay";
 			};
 		};