If I understand you correctly, then udev should be
able to
solve your problem.
"udev allows Linux users to have a dynamic /dev directory
and it provides the ability to have persistent device
names."
Thanks for the hint. I'm on Gentoo here, and udev gets
discussed in the list from time to time.
On the other hand, I'm not a great linux guru; I'm proud to
have successfully configured and built my own kernel matching
my audio setup; but udev is more difficult because it will
cause problems, namely with the NVidia drivers I use (and I
shouldn't use because it's not free software, of course ;-).
Thanks for the hint anyway.
Best regards
ce