diff options
Diffstat (limited to 'drivers/iio/adc/ad7091r-base.c')
| -rw-r--r-- | drivers/iio/adc/ad7091r-base.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c index 6d93da154810..7ccc9b44dcd8 100644 --- a/drivers/iio/adc/ad7091r-base.c +++ b/drivers/iio/adc/ad7091r-base.c @@ -406,7 +406,14 @@ int ad7091r_probe(struct device *dev, const char *name, if (IS_ERR(st->vref)) { if (PTR_ERR(st->vref) == -EPROBE_DEFER) return -EPROBE_DEFER; + st->vref = NULL; + /* Enable internal vref */ + ret = regmap_set_bits(st->map, AD7091R_REG_CONF, + AD7091R_REG_CONF_INT_VREF); + if (ret) + return dev_err_probe(st->dev, ret, + "Error on enable internal reference\n"); } else { ret = regulator_enable(st->vref); if (ret) |