summaryrefslogtreecommitdiff
path: root/src/mainboard/lenovo/t420/acpi/platform.asl
blob: 6f26c5a56f150f29fc5474d08d5d82208a26eab5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
 * 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.MUTE(1)
	\_SB.PCI0.LPCB.EC.USBP(0)
	\_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})
}