diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 075a2ac..1abf947 100755
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -27,4 +27,12 @@
          on the headphone/microphone jack. When false use the older uevent framework. -->
     <bool name="config_useDevInputEventForAudioJack">true</bool>
 
+    <!-- List of regexpressions describing the interface (if any) that represent tetherable
+         Wifi interfaces.  If the device doesn't want to support tethering over Wifi this
+         should be empty.  An example would be "softap.*" -->
+    <string-array translatable="false" name="config_tether_wifi_regexs">
+        <item>"wlan0"</item>
+        <item>"softap.*"</item>
+    </string-array>
+
 </resources>