28 	struct adc081c *adc = iio_priv(iio);  in adc081c_read_raw()  local
33 		err = i2c_smbus_read_word_swapped(adc->i2c, REG_CONV_RES);  in adc081c_read_raw()
41 		err = regulator_get_voltage(adc->ref);  in adc081c_read_raw()
72 	struct adc081c *adc;  in adc081c_probe()  local
78 	iio = devm_iio_device_alloc(&client->dev, sizeof(*adc));  in adc081c_probe()
82 	adc = iio_priv(iio);  in adc081c_probe()
83 	adc->i2c = client;  in adc081c_probe()
85 	adc->ref = devm_regulator_get(&client->dev, "vref");  in adc081c_probe()
86 	if (IS_ERR(adc->ref))  in adc081c_probe()
87 		return PTR_ERR(adc->ref);  in adc081c_probe()
89 	err = regulator_enable(adc->ref);  in adc081c_probe()
110 	regulator_disable(adc->ref);  in adc081c_probe()
118 	struct adc081c *adc = iio_priv(iio);  in adc081c_remove()  local
121 	regulator_disable(adc->ref);  in adc081c_remove()