ichi@linuxmint ~ $ cat /proc/asound/cards 
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xfbef4000 irq 47
 1 [LX3000         ]: USB-Audio - Microsoft LifeChat LX-3000
                      Microsoft LifeChat LX-3000 at usb-0000:00:1a.0-1.1, full speed
 2 [IMVideo        ]: USB-Audio - VF0540 Live! Cam Video IM/Video
                      Creative Labs VF0540 Live! Cam Video IM/Video at usb-0000:00:1d.0-1.4, high spe
 3 [Generic        ]: HDA-Intel - HD-Audio Generic
                      HD-Audio Generic at 0xfbffc000 irq 48
michi@linuxmint ~ $ head -n 1 /proc/asound/card0/codec*
Codec: VIA VT1818S