src/ec/lenovo/h8/acpi/sleepbutton.asl

/*
 * This file is part of the coreboot project.
 *
 * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

Field(ERAM, ByteAcc, NoLock, Preserve)
{
		Offset (0x32),
			    , 4,
			WKFN, 1,
		Offset(0x83),
			FNKY, 8
}

Device(SLPB)
{
        Name (_HID, EisaId ("PNP0C0E"))
	Method(_PRW, 0, NotSerialized)
	{
		Return (Package() { 0x18, 0x03 })
	}

	Method(_PSW, 1, NotSerialized)
	{
		if (Arg0) {
			Store(6, FNKY) /* Fn key acts as wake button */
			Store(1, WKFN)
		} else {
			Store(0, FNKY) /* Fn key normal operation */
			Store(0, WKFN)
		}
	}
}