23  * @vref:		regulator reference
28 	struct regulator *vref;  member
58 	ret = regulator_enable(priv->vref);  in stm32_dac_core_hw_start()
60 		dev_err(dev, "vref enable failed: %d\n", ret);  in stm32_dac_core_hw_start()
73 	regulator_disable(priv->vref);  in stm32_dac_core_hw_start()
84 	regulator_disable(priv->vref);  in stm32_dac_core_hw_stop()
122 	priv->vref = devm_regulator_get(dev, "vref");  in stm32_dac_probe()
123 	if (IS_ERR(priv->vref))  in stm32_dac_probe()
124 		return dev_err_probe(dev, PTR_ERR(priv->vref), "vref get failed\n");  in stm32_dac_probe()
134 	ret = regulator_get_voltage(priv->vref);  in stm32_dac_probe()
136 		dev_err(dev, "vref get voltage failed, %d\n", ret);  in stm32_dac_probe()
140 	dev_dbg(dev, "vref+=%dmV\n", priv->common.vref_mv);  in stm32_dac_probe()