diff options
Diffstat (limited to 'drivers/staging/iio/impedance-analyzer/ad5933.c')
| -rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 3892a74..9447898 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -726,13 +726,16 @@ static int ad5933_probe(struct i2c_client *client, if (!pdata) pdata = &ad5933_default_pdata; - st->reg = devm_regulator_get(&client->dev, "vcc"); - if (!IS_ERR(st->reg)) { - ret = regulator_enable(st->reg); - if (ret) - return ret; - voltage_uv = regulator_get_voltage(st->reg); + st->reg = devm_regulator_get(&client->dev, "vdd"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); + + ret = regulator_enable(st->reg); + if (ret) { + dev_err(&client->dev, "Failed to enable specified VDD supply\n"); + return ret; } + voltage_uv = regulator_get_voltage(st->reg); if (voltage_uv) st->vref_mv = voltage_uv / 1000; @@ -775,8 +778,7 @@ static int ad5933_probe(struct i2c_client *client, error_unreg_ring: iio_kfifo_free(indio_dev->buffer); error_disable_reg: - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); + regulator_disable(st->reg); return ret; } @@ -788,8 +790,7 @@ static int ad5933_remove(struct i2c_client *client) iio_device_unregister(indio_dev); iio_kfifo_free(indio_dev->buffer); - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); + regulator_disable(st->reg); return 0; } |
