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