45 	struct regulator *vref_n;  member
251 		if (!IS_ERR(adc->vref_n)) {  in adc12138_read_raw()
252 			ret = regulator_get_voltage(adc->vref_n);  in adc12138_read_raw()
264 		if (!IS_ERR(adc->vref_n)) {  in adc12138_read_raw()
265 			*value = regulator_get_voltage(adc->vref_n);  in adc12138_read_raw()
445 	adc->vref_n = devm_regulator_get_optional(&spi->dev, "vref-n");  in adc12138_probe()
446 	if (IS_ERR(adc->vref_n)) {  in adc12138_probe()
451 		ret = PTR_ERR(adc->vref_n);  in adc12138_probe()
469 	if (!IS_ERR(adc->vref_n)) {  in adc12138_probe()
470 		ret = regulator_enable(adc->vref_n);  in adc12138_probe()
494 	if (!IS_ERR(adc->vref_n))  in adc12138_probe()
495 		regulator_disable(adc->vref_n);  in adc12138_probe()
511 	if (!IS_ERR(adc->vref_n))  in adc12138_remove()
512 		regulator_disable(adc->vref_n);  in adc12138_remove()