X60: Clear EC events when wake GPE is triggered

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6448 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/lenovo/x60/acpi/ec.asl

@@ -37,6 +37,8 @@ Device(EC)
 		Offset (0x3B),
 				    , 1,
 				KBLT, 1,        /* Keyboard Light */
+		Offset (0x4e),
+		               WAKE, 16,
 		Offset (0x78),
 				TMP0, 8,	/* Thermal Zone 0 temperature */
 				TMP1, 8,	/* Thermal Zone 1 temperature */

src/mainboard/lenovo/x60/acpi/gpe.asl

@@ -0,0 +1,8 @@
+Scope (\_GPE)
+{
+	Method(_L18, 0, NotSerialized)
+	{
+		/* Read EC register to clear wake status */
+		Store(\_SB.PCI0.LPCB.EC.WAKE, Local0)
+	}
+}