10.9 DP7 AppleHDA for ALC662 2.5.2fc2

You need AppleHDA Enabler/injector kext with layout id 12

or

DSDT device HDEF:

Device (HDEF)            {                Name (_ADR, 0x001B0000)                Method (_PRW, 0, NotSerialized)                {                    Return (Package (0x02)                    {                        0x09,                         0x05                    })                }                Method (_DSM, 4, NotSerialized)                {                    Store (Package (0x06)                        {                            "built-in",                             Buffer (One)                            {                                0x01                            },                             "layout-id",                             Buffer (0x04)                            {                                0x0C, 0x00, 0x00, 0x00                            },                             "PinConfigurations",                             Buffer (Zero) {}                        }, Local0)                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))                    Return (Local0)                }            }