wmwave works on Prism cards but not on Lucent ones (minipci
and PCMCIA tested) since wireq.wi_val is empty. I've patched
it to use a more portable way for data acquisition known
from gkrellm and other tools.
PR: ports/54511
Submitted by: Hendrik Scholz <hendrik@scholz.net>
Approved by: Bruce M Simpson <bms@spc.org>