if full-duplex is being turned on, also set the oprtational mode to for both recording and playback.
if full-duplex is being turned on, also set the oprtational mode to
for both recording and playback.

ok ratchov

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars