ad3552r_calc_custom_gain
EXPORT_SYMBOL_NS_GPL(ad3552r_calc_custom_gain, "IIO_AD3552R");
gain = ad3552r_calc_custom_gain(st->ch_data[ch].p,
reg = ad3552r_calc_custom_gain(dac->ch_data[ch].p, dac->ch_data[ch].n,
u16 ad3552r_calc_custom_gain(u8 p, u8 n, s16 goffs);