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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Google Inc.
* Copyright (C) 2015 Intel Corp.
*
* 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.I2C1)
{
Device (ETSA)
{
Name (_HID, "ELAN0001")
Name (_DDN, "Elan Touchscreen ")
Name (_UID, 5)
Name (ISTP, 0) /* TouchScreen */
Method(_CRS, 0x0, NotSerialized)
{
Name(BUF0,ResourceTemplate ()
{
I2CSerialBus(
0x10, /* SlaveAddress */
ControllerInitiated, /* SlaveMode */
400000, /* ConnectionSpeed */
AddressingMode7Bit, /* AddressingMode */
"\\_SB.PCI0.I2C1", /* ResourceSource */
)
GpioInt (Level, ActiveLow, ExclusiveAndWake, PullDefault,,
"\\_SB.GPNC") { BOARD_TOUCH_GPIO_INDEX }
} )
Return (BUF0)
}
Method (_STA)
{
If (LEqual (\S1EN, 1)) {
Return (0xF)
} Else {
Return (0x0)
}
}
Name (_PRW, Package() { BOARD_TOUCHSCREEN_WAKE_GPIO, 0x3 })
/* Allow device to power off in S0 */
Name (_S0W, 4)
}
}
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