void st_press_common_remove(struct iio_dev *indio_dev)
{
struct st_sensor_data *pdata = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
if (pdata->get_irq_data_ready(indio_dev) > 0) {
st_sensors_deallocate_trigger(indio_dev);
st_press_deallocate_ring(indio_dev);
}
iio_device_free(indio_dev);
}
int st_press_common_probe(struct iio_dev *indio_dev)
{
int err;
struct st_sensor_data *pdata = iio_priv(indio_dev);
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &press_info;
err = st_sensors_check_device_support(indio_dev,
ARRAY_SIZE(st_press_sensors), st_press_sensors);
if (err < 0)
goto st_press_common_probe_error;
pdata->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
pdata->multiread_bit = pdata->sensor->multi_read_bit;
indio_dev->channels = pdata->sensor->ch;
indio_dev->num_channels = ARRAY_SIZE(st_press_channels);
pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
&pdata->sensor->fs.fs_avl[0];
pdata->odr = pdata->sensor->odr.odr_avl[0].hz;
err = st_sensors_init_sensor(indio_dev);
if (err < 0)
goto st_press_common_probe_error;
if (pdata->get_irq_data_ready(indio_dev) > 0) {
err = st_press_allocate_ring(indio_dev);
if (err < 0)
goto st_press_common_probe_error;
err = st_sensors_allocate_trigger(indio_dev,
ST_PRESS_TRIGGER_OPS);
if (err < 0)
goto st_press_probe_trigger_error;
}
err = iio_device_register(indio_dev);
if (err)
goto st_press_device_register_error;
return err;
st_press_device_register_error:
if (pdata->get_irq_data_ready(indio_dev) > 0)
st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
if (pdata->get_irq_data_ready(indio_dev) > 0)
st_press_deallocate_ring(indio_dev);
st_press_common_probe_error:
return err;
}
int st_press_common_probe(struct iio_dev *indio_dev)
{
struct st_sensor_data *press_data = iio_priv(indio_dev);
int irq = press_data->get_irq_data_ready(indio_dev);
int err;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &press_info;
mutex_init(&press_data->tb.buf_lock);
err = st_sensors_power_enable(indio_dev);
if (err)
return err;
err = st_sensors_check_device_support(indio_dev,
ARRAY_SIZE(st_press_sensors_settings),
st_press_sensors_settings);
if (err < 0)
goto st_press_power_off;
/*
* Skip timestamping channel while declaring available channels to
* common st_sensor layer. Look at st_sensors_get_buffer_element() to
* see how timestamps are explicitly pushed as last samples block
* element.
*/
press_data->num_data_channels = press_data->sensor_settings->num_ch - 1;
press_data->multiread_bit = press_data->sensor_settings->multi_read_bit;
indio_dev->channels = press_data->sensor_settings->ch;
indio_dev->num_channels = press_data->sensor_settings->num_ch;
press_data->current_fullscale =
(struct st_sensor_fullscale_avl *)
&press_data->sensor_settings->fs.fs_avl[0];
press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;
/* Some devices don't support a data ready pin. */
if (!press_data->dev->platform_data &&
press_data->sensor_settings->drdy_irq.addr)
press_data->dev->platform_data =
(struct st_sensors_platform_data *)&default_press_pdata;
err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data);
if (err < 0)
goto st_press_power_off;
err = st_press_allocate_ring(indio_dev);
if (err < 0)
goto st_press_power_off;
if (irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
ST_PRESS_TRIGGER_OPS);
if (err < 0)
goto st_press_probe_trigger_error;
}
err = iio_device_register(indio_dev);
if (err)
goto st_press_device_register_error;
dev_info(&indio_dev->dev, "registered pressure sensor %s\n",
indio_dev->name);
return err;
st_press_device_register_error:
if (irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
st_press_deallocate_ring(indio_dev);
st_press_power_off:
st_sensors_power_disable(indio_dev);
return err;
}
int st_press_common_probe(struct iio_dev *indio_dev)
{
struct st_sensor_data *press_data = iio_priv(indio_dev);
int irq = press_data->get_irq_data_ready(indio_dev);
int err;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &press_info;
mutex_init(&press_data->tb.buf_lock);
st_sensors_power_enable(indio_dev);
err = st_sensors_check_device_support(indio_dev,
ARRAY_SIZE(st_press_sensors_settings),
st_press_sensors_settings);
if (err < 0)
return err;
press_data->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
press_data->multiread_bit = press_data->sensor_settings->multi_read_bit;
indio_dev->channels = press_data->sensor_settings->ch;
indio_dev->num_channels = press_data->sensor_settings->num_ch;
if (press_data->sensor_settings->fs.addr != 0)
press_data->current_fullscale =
(struct st_sensor_fullscale_avl *)
&press_data->sensor_settings->fs.fs_avl[0];
press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;
/* Some devices don't support a data ready pin. */
if (!press_data->dev->platform_data &&
press_data->sensor_settings->drdy_irq.addr)
press_data->dev->platform_data =
(struct st_sensors_platform_data *)&default_press_pdata;
err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data);
if (err < 0)
return err;
err = st_press_allocate_ring(indio_dev);
if (err < 0)
return err;
if (irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
ST_PRESS_TRIGGER_OPS);
if (err < 0)
goto st_press_probe_trigger_error;
}
err = iio_device_register(indio_dev);
if (err)
goto st_press_device_register_error;
dev_info(&indio_dev->dev, "registered pressure sensor %s\n",
indio_dev->name);
return err;
st_press_device_register_error:
if (irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
st_press_deallocate_ring(indio_dev);
return err;
}