Optical Out 5.1 surround sound
im working on a exstensive video project for my job and it involves surround sound 5.1 i have a sonly Blueray player with optical in and i have it connected to my macbook pro(late 2008) via the optical out. but on my macbook pro running 10.8.2 it only allows me to to 2ch stareo out via the optical not all 5.1 surround sound i have tried going into the Audio Midi setup and it wont let me change the outppt from 2ch to 5.1ch is there a salution to this? or any other way to get all 5.1ch out of my mac and in to my surround sound?
MacBook Pro, Mac OS X (10.7.4), (os 10.8)