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iio: adc: twl4030: Return an error if we can not enable the vusb3v1 regulator in 'twl4030_madc_probe()' 

If we can not enable the regulator, go through the error handling path
instead of silently continuing.

Fixes: 7cc97d77ee ("iio: adc: twl4030: Fix ADC[3:6] readings")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Christophe JAILLET 2017-09-23 08:06:20 +02:00 committed by Jonathan Cameron
parent 7f70be6e40
commit 53063846af
1 changed files with 3 additions and 1 deletions
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4
drivers/iio/adc/twl4030-madc.c
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@ -893,8 +893,10 @@ static int twl4030_madc_probe(struct platform_device *pdev)
}
ret = regulator_enable(madc->usb3v1);
if (ret)
if (ret) {
dev_err(madc->dev, "could not enable 3v1 bias regulator\n");
goto err_i2c;
}
ret = iio_device_register(iio_dev);
if (ret) {