diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 916e45e4..780a9c19 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -321,4 +321,7 @@
 
     <!-- Pre-scale volume at volume step 3 for Absolute Volume -->
     <fraction name="config_prescaleAbsoluteVolume_index3">100%</fraction>
+
+    <!-- Whether to enable usb state update via udc sysfs. -->
+    <bool name="config_enableUdcSysfsUsbStateUpdate">true</bool>
 </resources>