diff options
Diffstat (limited to 'drivers/iio/adc/imx8qxp-adc.c')
| -rw-r--r-- | drivers/iio/adc/imx8qxp-adc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iio/adc/imx8qxp-adc.c b/drivers/iio/adc/imx8qxp-adc.c index e48446784a0a..36777b827165 100644 --- a/drivers/iio/adc/imx8qxp-adc.c +++ b/drivers/iio/adc/imx8qxp-adc.c @@ -202,7 +202,7 @@ static int imx8qxp_adc_read_raw(struct iio_dev *indio_dev, struct imx8qxp_adc *adc = iio_priv(indio_dev); struct device *dev = adc->dev; - u32 ctrl, vref_uv; + u32 ctrl; long ret; switch (mask) { @@ -245,8 +245,10 @@ static int imx8qxp_adc_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - vref_uv = regulator_get_voltage(adc->vref); - *val = vref_uv / 1000; + ret = regulator_get_voltage(adc->vref); + if (ret < 0) + return ret; + *val = ret / 1000; *val2 = 12; return IIO_VAL_FRACTIONAL_LOG2; |