diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
index ce72808fa3bc..36f43fe4558f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
@@ -44,7 +44,7 @@
 	hdmi_sound: hdmi-sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,format = "i2s";
-		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,mclk-fs = <128>;
 		simple-audio-card,name = "hdmi-sound";
 		status = "okay";