Sigmatel CXD9872RD/K (STAC7661) AppleHDA.kext for Snow Leopard (10.6.8). Works on my Sony Vaio VGN-SZ4 and probably on all SZ series. All working, including Int Speaker/Headphones and Int Mic/Line In switch. No mute. Needs DSDT HDEF device injection to work properly.
Ported from Leopard working kext following these wonderful guides: http://osx86.co/f87/guide-how-to-por...a-to-sl-t3981/ and http://www.projectosx.com/forum/inde...opic=465&st=20