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iio: common: st_sensors: check odr address value in st_sensors_set_odr() 

Do not try to configure sample frequency if the sensor do not export
odr register address in register map. That change will be used to
properly support LIS3DHH accel sensor.

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lorenzo Bianconi 2017-09-17 18:17:10 +02:00 committed by Jonathan Cameron
parent a542f9a04d
commit 7d24517267
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/common/st_sensors/st_sensors_core.c
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@ -93,6 +93,9 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
struct st_sensor_odr_avl odr_out = {0, 0}; struct st_sensor_odr_avl odr_out = {0, 0};
struct st_sensor_data *sdata = iio_priv(indio_dev); struct st_sensor_data *sdata = iio_priv(indio_dev);
if (!sdata->sensor_settings->odr.addr)
return 0;
err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out); err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
if (err < 0) if (err < 0)
goto st_sensors_match_odr_error; goto st_sensors_match_odr_error;