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@xxxxxxxxxx>
---
drivers/iio/common/st_sensors/st_sensors_core.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 5a01093b29a2..cbeb5e01bc3a 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -344,11 +344,13 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
return err;
/* 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.mask, true);
- if (err < 0)
- return err;
+ if (err < 0)
+ return err;
+ }
err = st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
--
1.9.3
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