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 +
631 				      unsigned int ch1, unsigned int gain0,  in bu27034_fixp_calc_t1_64bit()  argument
637 	helper64 = (u64)coeff * (u64)ch1 * (u64)ch1;  in bu27034_fixp_calc_t1_64bit()
653 				unsigned int ch1, unsigned int gain0,  in bu27034_fixp_calc_t1()  argument
663 	helper = coeff * ch1 * ch1;  in bu27034_fixp_calc_t1()
666 	helper = ch1 * ch1;  in bu27034_fixp_calc_t1()
669 		return bu27034_fixp_calc_t1_64bit(coeff, ch0, ch1, gain0, gain1);  in bu27034_fixp_calc_t1()
672 		return bu27034_fixp_calc_t1_64bit(coeff, ch0, ch1, gain0, gain1);  in bu27034_fixp_calc_t1()
693 static int bu27034_fixp_calc_lx(unsigned int ch0, unsigned int ch1,  in bu27034_fixp_calc_lx()  argument
717 	terms[0] = bu27034_fixp_calc_t1(c->A, ch0, ch1, gain0, gain1);  in bu27034_fixp_calc_lx()
718 	terms[1] = bu27034_fixp_calc_t23(c->B, ch1, gain1);  in bu27034_fixp_calc_lx()
885 	u16 ch0, ch1;  in bu27034_calc_mlux()  local
897 	ch1 = max_t(u16, 1, le16_to_cpu(res[1]));  in bu27034_calc_mlux()
913 	d1_d0_ratio_scaled = (unsigned int)ch1 * (unsigned int)gain0 * 100;  in bu27034_calc_mlux()
914 	helper64 = (u64)ch1 * (u64)gain0 * 100LLU;  in bu27034_calc_mlux()
926 		ret = bu27034_fixp_calc_lx(ch0, ch1, gain0, gain1, meastime, 0);  in bu27034_calc_mlux()
928 		ret = bu27034_fixp_calc_lx(ch0, ch1, gain0, gain1, meastime, 1);  in bu27034_calc_mlux()
1192 			 * 55mS data ch0 = 0xffff ch1 = 0xffff fits in 26 bits  in bu27034_buffer_thread()