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iio: pressure-core: st: Clean-up probe() function 

This patch contains some pretty basic clean-ups in probe() pertaining to
the simplification of error handling and a couple of readability adaptions.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lee Jones 2013-09-16 17:02:00 +01:00 committed by Jonathan Cameron
parent caf5ca122b
commit a6cc5b250c
1 changed files with 15 additions and 13 deletions
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28
drivers/iio/pressure/st_pressure_core.c
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@ -232,21 +232,23 @@ static const struct iio_trigger_ops st_press_trigger_ops = {
int st_press_common_probe(struct iio_dev *indio_dev,
struct st_sensors_platform_data *plat_data)
{
int err;
struct st_sensor_data *pdata = iio_priv(indio_dev);
int irq = pdata->get_irq_data_ready(indio_dev);
int err;
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);
ARRAY_SIZE(st_press_sensors),
st_press_sensors);
if (err < 0)
goto st_press_common_probe_error;
return err;
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 = pdata->sensor->num_ch;
pdata->multiread_bit = pdata->sensor->multi_read_bit;
indio_dev->channels = pdata->sensor->ch;
indio_dev->num_channels = pdata->sensor->num_ch;
if (pdata->sensor->fs.addr != 0)
pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
@ -261,15 +263,15 @@ int st_press_common_probe(struct iio_dev *indio_dev,
err = st_sensors_init_sensor(indio_dev, plat_data);
if (err < 0)
goto st_press_common_probe_error;
return err;
if (pdata->get_irq_data_ready(indio_dev) > 0) {
if (irq > 0) {
err = st_press_allocate_ring(indio_dev);
if (err < 0)
goto st_press_common_probe_error;
return err;
err = st_sensors_allocate_trigger(indio_dev,
ST_PRESS_TRIGGER_OPS);
ST_PRESS_TRIGGER_OPS);
if (err < 0)
goto st_press_probe_trigger_error;
}
@ -281,12 +283,12 @@ int st_press_common_probe(struct iio_dev *indio_dev,
return err;
st_press_device_register_error:
if (pdata->get_irq_data_ready(indio_dev) > 0)
if (irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
if (pdata->get_irq_data_ready(indio_dev) > 0)
if (irq > 0)
st_press_deallocate_ring(indio_dev);
st_press_common_probe_error:
return err;
}
EXPORT_SYMBOL(st_press_common_probe);