I had the same problem and I solved using this patch to the bttv kernel module. I don't know if this is correct or not, but it makes my remote work ok.
** Attachment added: "bttv kernel module patch for winfast 2000xp rm" http://librarian.launchpad.net/4888831/diff.txt -- bttv remote not working https://launchpad.net/bugs/60988 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
