diff --git a/src/mainboard/google/auron/acpi/ec.asl b/src/mainboard/google/auron/acpi/ec.asl
index c6cf5060ae..e25cd295a3 100644
--- a/src/mainboard/google/auron/acpi/ec.asl
+++ b/src/mainboard/google/auron/acpi/ec.asl
@@ -16,5 +16,8 @@
 /* mainboard configuration */
 #include "ec.h"
 
+/* variant configuration */
+#include <variant/acpi/ec.asl>
+
 /* ACPI code for EC functions */
 #include <ec/google/chromeec/acpi/ec.asl>
diff --git a/src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/ec.asl b/src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/ec.asl
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/mainboard/google/auron/variants/auron_yuna/include/variant/acpi/ec.asl b/src/mainboard/google/auron/variants/auron_yuna/include/variant/acpi/ec.asl
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/mainboard/google/auron/variants/gandof/include/variant/acpi/ec.asl b/src/mainboard/google/auron/variants/gandof/include/variant/acpi/ec.asl
new file mode 100644
index 0000000000..12b59b43c1
--- /dev/null
+++ b/src/mainboard/google/auron/variants/gandof/include/variant/acpi/ec.asl
@@ -0,0 +1,15 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* Enable EC backed Keyboard Backlight in ACPI */
+#define EC_ENABLE_KEYBOARD_BACKLIGHT
diff --git a/src/mainboard/google/auron/variants/lulu/include/variant/acpi/ec.asl b/src/mainboard/google/auron/variants/lulu/include/variant/acpi/ec.asl
new file mode 100644
index 0000000000..12b59b43c1
--- /dev/null
+++ b/src/mainboard/google/auron/variants/lulu/include/variant/acpi/ec.asl
@@ -0,0 +1,15 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* Enable EC backed Keyboard Backlight in ACPI */
+#define EC_ENABLE_KEYBOARD_BACKLIGHT
diff --git a/src/mainboard/google/auron/variants/samus/include/variant/acpi/ec.asl b/src/mainboard/google/auron/variants/samus/include/variant/acpi/ec.asl
new file mode 100644
index 0000000000..12b59b43c1
--- /dev/null
+++ b/src/mainboard/google/auron/variants/samus/include/variant/acpi/ec.asl
@@ -0,0 +1,15 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* Enable EC backed Keyboard Backlight in ACPI */
+#define EC_ENABLE_KEYBOARD_BACKLIGHT