56  * @vref_reg:		reference voltage regulator
65 	struct regulator		*vref_reg;  member
295 	st->vref_reg = devm_regulator_get_optional(&st->spi->dev, "vref");  in ad5761_get_vref()
296 	if (PTR_ERR(st->vref_reg) == -ENODEV) {  in ad5761_get_vref()
309 	if (IS_ERR(st->vref_reg)) {  in ad5761_get_vref()
312 		return PTR_ERR(st->vref_reg);  in ad5761_get_vref()
315 	ret = regulator_enable(st->vref_reg);  in ad5761_get_vref()
322 	ret = regulator_get_voltage(st->vref_reg);  in ad5761_get_vref()
342 	regulator_disable(st->vref_reg);  in ad5761_get_vref()
343 	st->vref_reg = NULL;  in ad5761_get_vref()
391 	if (!IS_ERR_OR_NULL(st->vref_reg))  in ad5761_probe()
392 		regulator_disable(st->vref_reg);  in ad5761_probe()
404 	if (!IS_ERR_OR_NULL(st->vref_reg))  in ad5761_remove()
405 		regulator_disable(st->vref_reg);  in ad5761_remove()