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iio:magn: Register buffer also without specific trigger

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This patch fix buffer registration that allows to use generic IIO trigger.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Denis CIOCCA 2013-09-18 10:00:00 +01:00 committed by Jonathan Cameron
parent fb4ea1f828
commit f60b12b02e
1 changed files with 8 additions and 8 deletions
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16
drivers/iio/magnetometer/st_magn_core.c
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@ -373,10 +373,11 @@ int st_magn_common_probe(struct iio_dev *indio_dev,
if (err < 0)
return err;
err = st_magn_allocate_ring(indio_dev);
if (err < 0)
return err;
if (irq > 0) {
err = st_magn_allocate_ring(indio_dev);
if (err < 0)
return err;
err = st_sensors_allocate_trigger(indio_dev, NULL);
if (err < 0)
goto st_magn_probe_trigger_error;
@ -392,8 +393,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev,
if (irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_magn_probe_trigger_error:
if (irq > 0)
st_magn_deallocate_ring(indio_dev);
st_magn_deallocate_ring(indio_dev);
return err;
}
@ -404,10 +404,10 @@ void st_magn_common_remove(struct iio_dev *indio_dev)
struct st_sensor_data *mdata = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
if (mdata->get_irq_data_ready(indio_dev) > 0) {
if (mdata->get_irq_data_ready(indio_dev) > 0)
st_sensors_deallocate_trigger(indio_dev);
st_magn_deallocate_ring(indio_dev);
}
st_magn_deallocate_ring(indio_dev);
}
EXPORT_SYMBOL(st_magn_common_remove);