About This File
This AppleHDA (Version 2.3.7fc4) is patched and working for Thinkpad T410 CX20585 on ML 10.8.3.
It allow automatically exchange internal/external MIC & Speaker/Earphone.
DSDT should have below codes:
Device (HDEF)
{
Name (_ADR, 0x001B0000)
Method (_DSM, 4, NotSerialized)
{
Store (Package (0x08)
{
"codec-id",
Buffer (0x04)
{
0x69, 0x50, 0xF1, 0x14
},
"layout-id",
Buffer (0x04)
{
0x0C, 0x00, 0x00, 0x00
},
"device-type",
Buffer (0x11)
{
"Conexant CX20585"
},
"PinConfigurations",
Buffer (Zero) {}
}, Local0)
DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
Return (Local0)
}