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iio: sensors-core: st: Allow full-scale to be an optional feature 

Some chips either don't support it or fail to provide adequate documentation,
so sometimes it's impossible to enable the feature even if it is supported.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lee Jones 2013-09-10 13:49:00 +01:00 committed by Jonathan Cameron
parent aab9ba7eb2
commit 362f2f8647
2 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/iio/common/st_sensors/st_sensors_core.c
View File

@ -235,10 +235,13 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
if (err < 0)
goto init_error;
err = st_sensors_set_fullscale(indio_dev,
sdata->current_fullscale->num);
if (err < 0)
goto init_error;
if (sdata->current_fullscale) {
err = st_sensors_set_fullscale(indio_dev,
sdata->current_fullscale->num);
if (err < 0)
goto init_error;
} else
dev_info(&indio_dev->dev, "Full-scale not possible\n");
err = st_sensors_set_odr(indio_dev, sdata->odr);
if (err < 0)

6
drivers/iio/pressure/st_pressure_core.c
View File

@ -226,8 +226,10 @@ int st_press_common_probe(struct iio_dev *indio_dev,
indio_dev->channels = pdata->sensor->ch;
indio_dev->num_channels = ARRAY_SIZE(st_press_channels);
pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
&pdata->sensor->fs.fs_avl[0];
if (pdata->sensor->fs.addr != 0)
pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
&pdata->sensor->fs.fs_avl[0];
pdata->odr = pdata->sensor->odr.odr_avl[0].hz;
if (!plat_data)