diff --git a/lineage/res/res/values/config.xml b/lineage/res/res/values/config.xml
index 0d950f36..599d669e 100644
--- a/lineage/res/res/values/config.xml
+++ b/lineage/res/res/values/config.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
      Copyright (C) 2015 The CyanogenMod Project
-                   2017-2018 The LineageOS Project
+                   2017-2020 The LineageOS Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -247,4 +247,9 @@
     <!-- Whether device needs to wait for Qualcomm MPCTL service to start
          before setting power profiles on boot. -->
     <bool name="config_waitForMpctlOnBoot">false</bool>
+
+    <!-- Button and keyboard backlight -->
+    <bool name="config_deviceHasVariableButtonBrightness">false</bool>
+    <integer name="config_buttonBrightnessSettingDefault">255</dimen>
+    <integer name="config_keyboardBrightnessSettingDefault">255</dimen>
 </resources>
diff --git a/lineage/res/res/values/symbols.xml b/lineage/res/res/values/symbols.xml
index 0c440fc8..a6c01e50 100644
--- a/lineage/res/res/values/symbols.xml
+++ b/lineage/res/res/values/symbols.xml
@@ -170,4 +170,9 @@
 
     <!-- Notch -->
     <java-symbol type="bool" name="config_haveNotch" />
+
+    <!-- Button and keyboard backlight -->
+    <java-symbol type="bool" name="config_deviceHasVariableButtonBrightness" />
+    <java-symbol type="integer" name="config_buttonBrightnessSettingDefault" />
+    <java-symbol type="integer" name="config_keyboardBrightnessSettingDefault" />
 </resources>