I'm running Ubuntu 8.04, so I've got pulseaudio running. I can't get the headphones to work. Plugging them in makes the speakers silent, though.
I was wondering what pulseaudio channels are. Wouldn't left and right be for speakers, and front for headphones?
Code:0 [SB ]: HDA-Intel - HDA ATI SB HDA ATI SB at 0xc0400000 irq 18