92 	/* span code of the channel */
93 	u8 span;  member
136 	int span, fs;  in ltc2664_scale_get()  local
138 	span = chan->span;  in ltc2664_scale_get()
139 	if (span < 0)  in ltc2664_scale_get()
140 		return span;  in ltc2664_scale_get()
142 	fs = span_helper[span][1] - span_helper[span][0];  in ltc2664_scale_get()
150 	int span, fs;  in ltc2672_scale_get()  local
152 	span = chan->span - 1;  in ltc2672_scale_get()
153 	if (span < 0)  in ltc2672_scale_get()
154 		return span;  in ltc2672_scale_get()
158 	if (span == LTC2672_MAX_SPAN)  in ltc2672_scale_get()
161 	return mul_u64_u32_div(LTC2672_SCALE_MULTIPLIER(span), fs, st->rfsadj_ohms);  in ltc2672_scale_get()
167 	int span;  in ltc2664_offset_get()  local
169 	span = chan->span;  in ltc2664_offset_get()
170 	if (span < 0)  in ltc2664_offset_get()
171 		return span;  in ltc2664_offset_get()
173 	if (st->chip_info->span_helper[span][0] < 0)  in ltc2664_offset_get()
497 	int span, ret;  in ltc2664_set_span()  local
499 	for (span = 0; span < chip_info->num_span; span++) {  in ltc2664_set_span()
500 		if (min == span_helper[span][0] && max == span_helper[span][1])  in ltc2664_set_span()
504 	if (span == chip_info->num_span)  in ltc2664_set_span()
507 	ret = regmap_write(st->regmap, LTC2664_CMD_SPAN_N(chan), span);  in ltc2664_set_span()
511 	return span;  in ltc2664_set_span()
522 	ret = device_property_read_u32(dev, "adi,manual-span-operation-config",  in ltc2664_channel_config()
527 			       "adi,manual-span-operation-config not supported\n");  in ltc2664_channel_config()
531 			       "adi,manual-span-operation-config not in range\n");  in ltc2664_channel_config()
577 		chan->span = ltc2664_mspan_lut[mspan][0];  in ltc2664_channel_config()
585 						     "Failed to set span\n");  in ltc2664_channel_config()
586 			chan->span = ret;  in ltc2664_channel_config()
595 						     "Failed to set span\n");  in ltc2664_channel_config()
596 			chan->span = ret;  in ltc2664_channel_config()