AppleHDA for Codec - Conexant 20590 - 10.8.5 (12F45) 2.4.7

Patched AppleHDA for Conexant 20590 codec, works with latest Mountain Lion (12F45)

was necessary these patches in DSDT.

Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method            {                Store (Package (0x0A)                    {                        "hda-gfx",                         Buffer (0x0A)                        {                            "onboard-2"                        },                         "model",                         Buffer (0x1A)                        {                            "HD Audio Conexant Cx20590"                        },                         "device-type",                         Buffer (0x11)                        {                            "Audio Controller"                        },                         "layout-id",                         Buffer (0x04)                        {                             0x0C, 0x00, 0x00, 0x00                        },                         "PinConfigurations",                         Buffer (Zero) {}                    }, Local0)                DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))                Return (Local0)            }        }