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iio: st_sensors: make BDU optional

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Not all sensors support BDU (block data update) and in fact a
bunch of the in-kernel sensor settings do not specify the
BDU address field. Make this optional.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Linus Walleij 2015-04-30 15:15:48 +02:00 committed by Jonathan Cameron
parent d2bc431868
commit bb60646c8b
1 changed files with 5 additions and 3 deletions
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8
drivers/iio/common/st_sensors/st_sensors_core.c
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@ -344,11 +344,13 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
return err; return err;
/* set BDU */ /* set BDU */
err = st_sensors_write_data_with_mask(indio_dev, if (sdata->sensor_settings->bdu.addr) {
err = st_sensors_write_data_with_mask(indio_dev,
sdata->sensor_settings->bdu.addr, sdata->sensor_settings->bdu.addr,
sdata->sensor_settings->bdu.mask, true); sdata->sensor_settings->bdu.mask, true);
if (err < 0) if (err < 0)
return err; return err;
}
err = st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS); err = st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);