/* SPDX-License-Identifier: GPL-2.0-only */ Scope (\_SB.PCI0.I2C1) { Device (STSA) { Name (_HID, "SYTS7508") Name (_CID, "PNP0C50") Name (_UID, 4) Name (ISTP, 0) /* TouchScreen */ /* Fetch HidDescriptorAddress, Register offset in the * I2C device at which the HID descriptor can be read */ Method (_DSM, 4, NotSerialized) { If (Arg0 == ToUUID ("3cdff6f7-4267-4555-ad05-b30a3d8938de")) { // DSM Revision If (Arg2 == 0) { If (Arg1 == 1) { Return (Buffer (1) { 0x03 }) } Else { Return (Buffer (1) { 0x00 }) } } // HID Function If (Arg2 == 1) { Return (0x20) } } Else { Return (Buffer (1) { 0x00 }) } Return (0) } Method(_CRS, 0x0, NotSerialized) { Name (BUF0, ResourceTemplate () { I2cSerialBus( 0x20, /* SlaveAddress */ ControllerInitiated, /* SlaveMode */ 400000, /* ConnectionSpeed */ AddressingMode7Bit, /* AddressingMode */ "\\_SB.PCI0.I2C1", /* ResourceSource */ ) GpioInt (Level, ActiveLow, SharedAndWake, PullDefault,, "\\_SB.GPNC") { BOARD_TOUCH_GPIO_INDEX } }) Return (BUF0) } Method (_STA) { If (\S1EN == 1) { Return (0xF) } Else { Return (0x0) } } #if CONFIG(CHROMEOS) Name (_PRW, Package() { BOARD_TOUCHSCREEN_WAKE_GPIO, 0x3 }) #endif /* Allow device to power off in S0 */ Name (_S0W, 4) } }