diff --git a/DevInputJack/Android.mk b/DevInputJack/Android.mk
new file mode 100644
index 0000000..fd5648c
--- /dev/null
+++ b/DevInputJack/Android.mk
@@ -0,0 +1,7 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_PACKAGE_NAME := treble-overlay-devinputjack
+LOCAL_MODULE_PATH := $(TARGET_OUT)/overlay
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
+include $(BUILD_PACKAGE)
diff --git a/DevInputJack/AndroidManifest.xml b/DevInputJack/AndroidManifest.xml
new file mode 100644
index 0000000..a2106c2
--- /dev/null
+++ b/DevInputJack/AndroidManifest.xml
@@ -0,0 +1,10 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="me.phh.treble.overlay.devinputjack"
+        android:versionCode="1"
+        android:versionName="1.0">
+        <overlay android:targetPackage="android"
+                android:requiredSystemPropertyName="persist.sys.overlay.devinputjack"
+                android:requiredSystemPropertyValue="true"
+		android:priority="6"
+		android:isStatic="true" />
+</manifest>
diff --git a/DevInputJack/res/values/config.xml b/DevInputJack/res/values/config.xml
new file mode 100644
index 0000000..83ae4fb
--- /dev/null
+++ b/DevInputJack/res/values/config.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <bool name="config_useDevInputEventForAudioJack">true</bool>
+</resources>