Use USB vendor and product IDs to determine whether the attached
device is a CDROM or a Flash device.  Daniel Drake says that the
*same* vendor and product IDs for non-HP vendor ID could be either
flash or cdrom, so try to probe for them.
Signed-off-by: NPeter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: NDaniel Drake <dsd@gentoo.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>