Device (IGPU)
            {
                Name (_ADR, 0x00020000)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Store (Package (0x0E)
                        {
                            "AAPL,slot-name", 
                            "Built In", 
                            "name", 
                            "Intel Graphics Controller", 
                            "model", 
                            Buffer (0x17)
                            {
                                "Intel HD Graphics 4600"
                            }, 

                            "device_type", 
                            Buffer (0x14)
                            {
                                "Graphics Controller"
                            }, 

                            "device-id", 
                            Buffer (0x04)
                            {
                                 0x00, 0x00, 0x16, 0x0A                         
                            }, 

                            "AAPL,ig-platform-id", 
                            Buffer (0x04)
                            {
                                 0x00, 0x00, 0x16, 0x0A                         
                            }, 

                            "hda-gfx", 
                            Buffer (0x0A)
                            {
                                "onboard-2"
                            }
                        }, Local0)
                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                    Return (Local0)
                }
            }

            Device (HDAU)
            {
                Name (_ADR, 0x00030000)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    If (LEqual (Arg2, Zero))
                    {
                        Return (Buffer (One)
                        {
                             0x03                                           
                        })
                    }

                    Return (Package (0x04)
                    {
                        "layout-id", 
                        Buffer (0x04)
                        {
                             0x01, 0x00, 0x00, 0x00                         
                        }, 

                        "hda-gfx", 
                        Buffer (0x0A)
                        {
                            "onboard-2"
                        }
                    })
                }
            }