diff --git a/arch/arm/configs/rk3506_defconfig b/arch/arm/configs/rk3506_defconfig
index d49dc0d0143e..2d4ec27e269c 100644
--- a/arch/arm/configs/rk3506_defconfig
+++ b/arch/arm/configs/rk3506_defconfig
@@ -194,6 +194,7 @@ CONFIG_SND_SOC_ROCKCHIP_SAI=y
 CONFIG_SND_SOC_ROCKCHIP_MULTICODECS=y
 CONFIG_SND_SOC_DUMMY_CODEC=y
 CONFIG_SND_SOC_ES8323=y
+CONFIG_SND_SOC_RK3506=y
 CONFIG_SND_SOC_RK_DSM=y
 CONFIG_SND_SIMPLE_CARD=y
 # CONFIG_HID is not set