X60: trigger save cmos on volume/brightness change

Change-Id: I020e06bc311c4e4327c9d3cf2c379dc8fe070a7a
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/25
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/x60/acpi/ec.asl b/src/mainboard/lenovo/x60/acpi/ec.asl
index c3569e8c41..5c04339725 100644
--- a/src/mainboard/lenovo/x60/acpi/ec.asl
+++ b/src/mainboard/lenovo/x60/acpi/ec.asl
@@ -1 +1,24 @@
 #include <ec/lenovo/h8/acpi/ec.asl>
+
+Scope(\_SB.PCI0.LPCB.EC)
+{
+	/* Volume down */
+	Method(_Q1C, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+	/* Volume up */
+	Method(_Q1D, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+	/* Mute key pressed */
+	Method(_Q1E, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+
+}