/* SPDX-License-Identifier: GPL-2.0-only */ Scope (\_SB.PCI0.I2C4) { Device (TPAD) { Name(_ADR, 1) Name (_HID, "ALPS0001") Name (_CID, "PNP0C50") Name (_DDN, "ALPS Touchpad") Name (_UID, 1) Name (ISTP, 1) /* Touchpad */ Name (_CRS, ResourceTemplate() { I2cSerialBus ( 0x2C, // SlaveAddress ControllerInitiated, // SlaveMode 400000, // ConnectionSpeed AddressingMode7Bit, // AddressingMode "\\_SB.PCI0.I2C4", // ResourceSource ) Interrupt (ResourceConsumer, Level, ActiveLow) { GPIO_18_IRQ } GpioInt (Level, ActiveLow, ExclusiveAndWake, PullUp, 0x0000, "\\_SB.GPO1", 0x00, ResourceConsumer, ,) { 18 } }) Method (_STA) { Return (0xF) } Method(_DSM, 0x4, NotSerialized) { // DSM UUID for HIDI2C - HID driver does not load without DSM If(Arg0 == ToUUID("3CDFF6F7-4267-4555-AD05-B30A3D8938DE")) { // Function 0 : Query Function If(Arg2 == 0) { // Revision 1 If(Arg1 == 1) { Return (Buffer (1) {0x03}) } Else { Return (Buffer (1) {0x00}) } } ElseIf (Arg2 == 1) { // Function 1 : HID Function // HID Descriptor Address (IHV Specific) Return(0x0020) } Else { Return (Buffer (1) {0x00}) } } Else { Return (Buffer (1) {0x00}) } } } }