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-rw-r--r--src/mainboard/google/stout/acpi/superio.asl25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/mainboard/google/stout/acpi/superio.asl b/src/mainboard/google/stout/acpi/superio.asl
index 967da18be7..32ed70a978 100644
--- a/src/mainboard/google/stout/acpi/superio.asl
+++ b/src/mainboard/google/stout/acpi/superio.asl
@@ -4,7 +4,30 @@
#include "../ec.h"
#define SIO_EC_ENABLE_PS2K // Enable PS/2 Keyboard
-#define SIO_ENABLE_PS2M // Enable PS/2 Mouse
+
+/* SIO_EC_ENABLE_PS2M is not defined in favor of custom ASL below */
/* ACPI code for EC SuperIO functions */
#include <ec/quanta/it8518/acpi/superio.asl>
+
+/* Use multitouch trackpad */
+Scope (\_SB.PCI0.LPCB.SIO)
+{
+ Device (PS2M)
+ {
+ Name (_HID, EISAID("LEN2011"))
+ Name (_CID, EISAID("PNP0F13"))
+
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate()
+ {
+ FixedIO (0x60, 0x01)
+ FixedIO (0x64, 0x01)
+ IRQNoFlags () {12}
+ })
+ }
+}