20 struct rescale;
24 	int (*props)(struct device *dev, struct rescale *rescale);
27 struct rescale {  struct
40 	struct rescale *rescale = iio_priv(indio_dev);  in rescale_read_raw()  argument
46 		return iio_read_channel_raw(rescale->source, val);  in rescale_read_raw()
49 		ret = iio_read_channel_scale(rescale->source, val, val2);  in rescale_read_raw()
52 			*val *= rescale->numerator;  in rescale_read_raw()
53 			*val2 *= rescale->denominator;  in rescale_read_raw()
56 			*val *= rescale->numerator;  in rescale_read_raw()
57 			if (rescale->denominator == 1)  in rescale_read_raw()
59 			*val2 = rescale->denominator;  in rescale_read_raw()
63 			tmp = div_s64(tmp, rescale->denominator);  in rescale_read_raw()
64 			tmp *= rescale->numerator;  in rescale_read_raw()
81 	struct rescale *rescale = iio_priv(indio_dev);  in rescale_read_avail()  local
86 		return iio_read_avail_channel_raw(rescale->source,  in rescale_read_avail()
103 	struct rescale *rescale = iio_priv(indio_dev);  in rescale_read_ext_info()  local
105 	return iio_read_channel_ext_info(rescale->source,  in rescale_read_ext_info()
106 					 rescale->ext_info[private].name,  in rescale_read_ext_info()
115 	struct rescale *rescale = iio_priv(indio_dev);  in rescale_write_ext_info()  local
117 	return iio_write_channel_ext_info(rescale->source,  in rescale_write_ext_info()
118 					  rescale->ext_info[private].name,  in rescale_write_ext_info()
123 				     struct rescale *rescale)  in rescale_configure_channel()  argument
125 	struct iio_chan_spec *chan = &rescale->chan;  in rescale_configure_channel()
126 	struct iio_chan_spec const *schan = rescale->source->channel;  in rescale_configure_channel()
130 	chan->ext_info = rescale->ext_info;  in rescale_configure_channel()
131 	chan->type = rescale->cfg->type;  in rescale_configure_channel()
149 						 struct rescale *rescale)  in rescale_current_sense_amplifier_props()  argument
173 	rescale->numerator = 1000000 / factor;  in rescale_current_sense_amplifier_props()
174 	rescale->denominator = sense / factor;  in rescale_current_sense_amplifier_props()
176 	factor = gcd(rescale->numerator, gain_mult);  in rescale_current_sense_amplifier_props()
177 	rescale->numerator /= factor;  in rescale_current_sense_amplifier_props()
178 	rescale->denominator *= gain_mult / factor;  in rescale_current_sense_amplifier_props()
180 	factor = gcd(rescale->denominator, gain_div);  in rescale_current_sense_amplifier_props()
181 	rescale->numerator *= gain_div / factor;  in rescale_current_sense_amplifier_props()
182 	rescale->denominator /= factor;  in rescale_current_sense_amplifier_props()
188 					     struct rescale *rescale)  in rescale_current_sense_shunt_props()  argument
202 	rescale->numerator = 1000000 / factor;  in rescale_current_sense_shunt_props()
203 	rescale->denominator = shunt / factor;  in rescale_current_sense_shunt_props()
209 					 struct rescale *rescale)  in rescale_voltage_divider_props()  argument
215 				       &rescale->denominator);  in rescale_voltage_divider_props()
222 				       &rescale->numerator);  in rescale_voltage_divider_props()
228 	factor = gcd(rescale->numerator, rescale->denominator);  in rescale_voltage_divider_props()
229 	rescale->numerator /= factor;  in rescale_voltage_divider_props()
230 	rescale->denominator /= factor;  in rescale_voltage_divider_props()
272 	struct rescale *rescale;  in rescale_probe()  local
288 		sizeof_ext_info *= sizeof(*rescale->ext_info);  in rescale_probe()
291 	sizeof_priv = sizeof(*rescale) + sizeof_ext_info;  in rescale_probe()
297 	rescale = iio_priv(indio_dev);  in rescale_probe()
299 	rescale->cfg = of_device_get_match_data(dev);  in rescale_probe()
300 	rescale->numerator = 1;  in rescale_probe()
301 	rescale->denominator = 1;  in rescale_probe()
303 	ret = rescale->cfg->props(dev, rescale);  in rescale_probe()
307 	if (!rescale->numerator || !rescale->denominator) {  in rescale_probe()
314 	rescale->source = source;  in rescale_probe()
320 	indio_dev->channels = &rescale->chan;  in rescale_probe()
323 		rescale->ext_info = devm_kmemdup(dev,  in rescale_probe()
326 		if (!rescale->ext_info)  in rescale_probe()
329 		for (i = 0; rescale->ext_info[i].name; ++i) {  in rescale_probe()
331 				&rescale->ext_info[i];  in rescale_probe()
341 	ret = rescale_configure_channel(dev, rescale);  in rescale_probe()