$ cat /sys/bus/pnp/devices/*/id PNP0b00 PNP0c04 PNP0200 PNP0c02 INT0800 PNP0400 NSC6001 PNP0303 SYN0302 SYN0300 PNP0f13 $ lsmod |grep ir firmware_class 9984 1 ipw2200 -- matthew