On Fri 19 Aug 2011 at 17:49:06 -0400, R. Clayton wrote: [Useful detail snipped] > $ cat /proc/asound/cards > 29 [ThinkPadEC ]: ThinkPad EC - ThinkPad Console Audio Control > ThinkPad Console Audio Control at EC reg 0x30, fw unknown The 'fw unknown' is bothersome. I'd take 'fw' to be 'firmware'. The Debian Wiki is often very useful: http://wiki.debian.org/snd-cs46xx