diff options
| author |   Marcelo Schmitt <marcelo.schmitt1@gmail.com> | 2018-12-08 16:19:08 -0200 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-12-16 14:05:56 +0000 |
| commit | c9d07120ab9a704927191ae44729f4b8abba797f (patch) | |
| tree | d74199b18c67ade7cc986d93baf5b662b125bd6c | |
| parent | Staging: iio: adt7316: Add all irq related code in adt7316_irq_setup() (diff) | |
staging: iio: ad5933: change regulator binging for vref
Set a single voltage regulator for all voltage references.
Remove voltage reference value from default platafrom data struct.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Gabriel Capella <gabriel@capella.pro>
Co-developed-by: Gabriel Capella <gabriel@capella.pro>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 9e52384f5370..730bc397a26b 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -91,7 +91,6 @@ struct ad5933_platform_data { unsigned long ext_clk_hz; - unsigned short vref_mv; }; struct ad5933_state { @@ -113,7 +112,6 @@ struct ad5933_state { }; static struct ad5933_platform_data ad5933_default_pdata = { - .vref_mv = 3300, }; #define AD5933_CHANNEL(_type, _extend_name, _info_mask_separate, _address, \ @@ -691,7 +689,7 @@ static void ad5933_work(struct work_struct *work) static int ad5933_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int ret, voltage_uv = 0; + int ret; struct ad5933_platform_data *pdata = dev_get_platdata(&client->dev); struct ad5933_state *st; struct iio_dev *indio_dev; @@ -718,12 +716,12 @@ static int ad5933_probe(struct i2c_client *client, dev_err(&client->dev, "Failed to enable specified VDD supply\n"); return ret; } - voltage_uv = regulator_get_voltage(st->reg); + ret = regulator_get_voltage(st->reg); + + if (ret < 0) + goto error_disable_reg; - if (voltage_uv) - st->vref_mv = voltage_uv / 1000; - else - st->vref_mv = pdata->vref_mv; + st->vref_mv = ret / 1000; if (pdata->ext_clk_hz) { st->mclk_hz = pdata->ext_clk_hz; |