I suspect isenkram-autoinstall-firmware from the isenkram-cli package might be a good solution for this issue. See <URL: http://people.skolelinux.org/pere/blog/Automatically_locate_and_install_required_firmware_packages_on_Debian__Isenkram_0_4_.html > for some old notes on how to use it.
-- Happy hacking Petter Reinholdtsen
