diff --git a/patch/kernel/rockchip64-current/add-board-orangepi-4.patch b/patch/kernel/rockchip64-current/add-board-orangepi-4.patch
index 0447ad3a777c..e63c40f25ef6 100644
--- a/patch/kernel/rockchip64-current/add-board-orangepi-4.patch
+++ b/patch/kernel/rockchip64-current/add-board-orangepi-4.patch
@@ -196,7 +196,7 @@ index 00000000..17010305
 +			"Microphone", "Mic Jack",
 +			"Headphone", "Headphone Jack";
 +		simple-audio-card,routing =
-+			"Mic Jack", "MICBIAS1",
++			"Mic Jack", "micbias1",
 +			"IN1P", "Mic Jack",
 +			"Headphone Jack", "HPOL",
 +			"Headphone Jack", "HPOR";
diff --git a/patch/kernel/rockchip64-dev/add-board-orangepi-4.patch b/patch/kernel/rockchip64-dev/add-board-orangepi-4.patch
index 5a1e6d7c2a6e..e365e693e6ae 100644
--- a/patch/kernel/rockchip64-dev/add-board-orangepi-4.patch
+++ b/patch/kernel/rockchip64-dev/add-board-orangepi-4.patch
@@ -196,7 +196,7 @@ index 00000000..17010305
 +			"Microphone", "Mic Jack",
 +			"Headphone", "Headphone Jack";
 +		simple-audio-card,routing =
-+			"Mic Jack", "MICBIAS1",
++			"Mic Jack", "micbias1",
 +			"IN1P", "Mic Jack",
 +			"Headphone Jack", "HPOL",
 +			"Headphone Jack", "HPOR";