1 files changed, 35 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/acpi/platform.asl b/src/mainboard/lenovo/x1_carbon_gen1/acpi/platform.asl
new file mode 100644
index 000000000000..3e9225cd34b0
--- /dev/null
+++ b/src/mainboard/lenovo/x1_carbon_gen1/acpi/platform.asl
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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.
+ */
+
+/* The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method(_PTS,1)
+{
+	\_SB.PCI0.LPCB.EC.RADI(0)
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	/* ME may not be up yet.  */
+	Store (0, \_TZ.MEB1)
+	Store (0, \_TZ.MEB2)
+
+	/* Not implemented.  */
+	Return(Package(){0,0})
+}