FEEDEQ_PREAMP_MIN
if (value < FEEDEQ_PREAMP_MIN || value > FEEDEQ_PREAMP_MAX)
if (val < FEEDEQ_PREAMP_MIN)
val = FEEDEQ_PREAMP_MIN;
if (d->eqpreamp < FEEDEQ_PREAMP_MIN)
d->eqpreamp = FEEDEQ_PREAMP_MIN;