blob: d59e293103506582b5f90ad380edae170ff22470 [file] [log] [blame]
/*
* 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)
{
}
/* The _WAK method is called on system wakeup */
Method(_WAK,1)
{
/* Update in case state changed while asleep */
/* Update AC status */
Store (\_SB.PCI0.LPCB.EC0.ADPT, Local0)
if (LNotEqual (Local0, \PWRS)) {
Store (Local0, \PWRS)
Notify (\_SB.PCI0.LPCB.EC0.AC, 0x80)
}
/* Update LID status */
Store (GP15, Local0)
if (LNotEqual (Local0, \LIDS)) {
Store (Local0, \LIDS)
Notify (\_SB.LID0, 0x80)
}
Return(Package(){0,0})
}