It seems that support for some devices (including dsbr100) is deprecated now. This module can be selected only when using the old V4L API, not the compatible Layer.
-- dsbr100 module not included anymore (D-Link USB FM radio) https://launchpad.net/bugs/59871 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs