diff --git a/arch/arm64/configs/sdm670_defconfig b/arch/arm64/configs/sdm670_defconfig
index cda924c..72477d8 100644
--- a/arch/arm64/configs/sdm670_defconfig
+++ b/arch/arm64/configs/sdm670_defconfig
@@ -385,6 +385,7 @@
 CONFIG_USB_PD_POLICY=y
 CONFIG_QPNP_USB_PDPHY=y
 CONFIG_USB_EHSET_TEST_FIXTURE=y
+CONFIG_USB_LINK_LAYER_TEST=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_DUAL_ROLE_USB_INTF=y
 CONFIG_USB_MSM_SSPHY_QMP=y