iio/light/rohm-bu27034.c

568  *    => (6.44 * ch1 / gain1 + 19.088 * ch0 / gain0 -
569  *       0.47808 * ch1 * ch1 * gain0 / gain1 / gain1 / ch0) /
575  *    => (1.91232 * ch1 / gain1 + 30.5408 * ch0 / gain0 +
576  *        [0 * ch1 * ch1 * gain0 / gain1 / gain1 / ch0] ) /
581  *	 A * ch1 * ch1 * gain0 / (ch0 * gain1 * gain1) +
582  *	 B * ch1 / gain1 +
632 				      unsigned int gain1)
639 	helper = gain1 * gain1;
654 				unsigned int gain1)
669 		return bu27034_fixp_calc_t1_64bit(coeff, ch0, ch1, gain0, gain1);
672 		return bu27034_fixp_calc_t1_64bit(coeff, ch0, ch1, gain0, gain1);
674 	return tmp / (gain1 * gain1) / ch0;
694 				unsigned int gain0, unsigned int gain1,
717 	terms[0] = bu27034_fixp_calc_t1(c->A, ch0, ch1, gain0, gain1);
718 	terms[1] = bu27034_fixp_calc_t23(c->B, ch1, gain1);
883 	unsigned int gain0, gain1, meastime;
903 	ret = bu27034_get_gain(data, BU27034_CHAN_DATA1, &gain1);
917 		unsigned int div = (unsigned int)ch0 * gain1;
922 		d1_d0_ratio_scaled /= ch0 * gain1;
926 		ret = bu27034_fixp_calc_lx(ch0, ch1, gain0, gain1, meastime, 0);
928 		ret = bu27034_fixp_calc_lx(ch0, ch1, gain0, gain1, meastime, 1);