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diff --git a/src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/mainboard.asl b/src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/mainboard.asl
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+++ b/src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/mainboard.asl
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * 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.
+ */
+
+Scope (\_SB.PCI0.I2C0)
+{
+ Device (ETPA)
+ {
+ Name (_HID, "ELAN0000")
+ Name (_DDN, "Elan Touchpad")
+ Name (_UID, 1)
+ Name (ISTP, 1) /* Touchpad */
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ BOARD_TRACKPAD_I2C_ADDR, // SlaveAddress
+ ControllerInitiated, // SlaveMode
+ 400000, // ConnectionSpeed
+ AddressingMode7Bit, // AddressingMode
+ "\\_SB.PCI0.I2C0", // ResourceSource
+ )
+ Interrupt (ResourceConsumer, Level, ActiveLow)
+ {
+ BOARD_TRACKPAD_IRQ
+ }
+ })
+
+ Method (_STA)
+ {
+ If (LEqual (\S1EN, 1)) {
+ Return (0xF)
+ } Else {
+ Return (0x0)
+ }
+ }
+
+ Name (_PRW, Package() { BOARD_TRACKPAD_WAKE_GPIO, 0x3 })
+
+ Method (_DSW, 3, NotSerialized)
+ {
+ Store (BOARD_TRACKPAD_WAKE_GPIO, Local0)
+ If (LEqual (Arg0, 1)) {
+ // Enable GPIO as wake source
+ \_SB.PCI0.LPCB.GPIO.GWAK (Local0)
+ }
+ }
+
+ /* Allow device to power off in S0 */
+ Name (_S0W, 4)
+ }
+}