diff --git a/arch/arm/configs/rk29_phonesdk_defconfig b/arch/arm/configs/rk29_phonesdk_defconfig
index c3abcff7050e..f6c3551fe187 100644
--- a/arch/arm/configs/rk29_phonesdk_defconfig
+++ b/arch/arm/configs/rk29_phonesdk_defconfig
@@ -1032,7 +1032,7 @@ CONFIG_ADC_RK29=y
 #
 # Headset device support
 #
-# CONFIG_RK_HEADSET_DET is not set
+CONFIG_RK_HEADSET_DET=y
 
 #
 # PPS support