diff options
| -rw-r--r-- | drivers/staging/iio/adc/ad7606_core.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index a16c6f5a333b..d3a35512261a 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -132,10 +132,9 @@ static ssize_t ad7606_store_range(struct device *dev, if (ret) return ret; - if (!(lval == 5000 || lval == 10000)) { - dev_err(dev, "range is not supported\n"); + if (!(lval == 5000 || lval == 10000)) return -EINVAL; - } + mutex_lock(&indio_dev->mlock); gpio_set_value(st->pdata->gpio_range, lval == 10000); st->range = lval; @@ -174,11 +173,8 @@ static int ad7606_write_raw(struct iio_dev *indio_dev, if (val2) return -EINVAL; ret = ad7606_oversampling_get_index(val); - if (ret < 0) { - dev_err(st->dev, "oversampling %d is not supported\n", - val); + if (ret < 0) return ret; - } mutex_lock(&indio_dev->mlock); gpio_set_value(st->pdata->gpio_os0, (ret >> 0) & 1); |