interpolate
dac = interpolate(val, MIN_BRIGHTNESS_PART1, MAX_BRIGHTNESS_PART1,
dac = interpolate(val, MIN_BRIGHTNESS_PART2, MAX_BRIGHTNESS_PART2,
dac = interpolate(val, MAX_BRIGHTNESS_PART1, MIN_BRIGHTNESS_PART2,
power = interpolate(ext_chan,
gain = interpolate(ext_chan,
temp = interpolate(ext_chan,
idx = interpolate(pwr, sample[0].power, sample[0].index,
ra->ra_avg_rssi = interpolate(master_expavgctl.rc_avgrssi,
interpolate(master_expavgctl.rc_thresh, last_thr,
interpolate(master_expavgctl.rc_decay, oldthr, newthr);
#ifdef interpolate