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iio:accel: introduce st_accel_get_settings() function

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The function is introduced to retrieve accel device settings. It will be
used by probe in order to configure regmap.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Denis Ciocca 2019-07-18 15:53:44 -07:00 committed by Jonathan Cameron
parent a090965b88
commit 823a7adac4
2 changed files with 19 additions and 0 deletions
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1
drivers/iio/accel/st_accel.h
View File

@ -68,6 +68,7 @@ static const struct st_sensors_platform_data default_accel_pdata = {
.drdy_int_pin = 1, .drdy_int_pin = 1,
}; };
const struct st_sensor_settings *st_accel_get_settings(const char *name);
int st_accel_common_probe(struct iio_dev *indio_dev); int st_accel_common_probe(struct iio_dev *indio_dev);
void st_accel_common_remove(struct iio_dev *indio_dev); void st_accel_common_remove(struct iio_dev *indio_dev);

18
drivers/iio/accel/st_accel_core.c
View File

@ -1147,6 +1147,24 @@ out:
#endif #endif
} }
/*
* st_accel_get_settings() - get sensor settings from device name
* @name: device name buffer reference.
*
* Return: valid reference on success, NULL otherwise.
*/
const struct st_sensor_settings *st_accel_get_settings(const char *name)
{
int index = st_sensors_get_settings_index(name,
st_accel_sensors_settings,
ARRAY_SIZE(st_accel_sensors_settings));
if (index < 0)
return NULL;
return &st_accel_sensors_settings[index];
}
EXPORT_SYMBOL(st_accel_get_settings);
int st_accel_common_probe(struct iio_dev *indio_dev) int st_accel_common_probe(struct iio_dev *indio_dev)
{ {
struct st_sensor_data *adata = iio_priv(indio_dev); struct st_sensor_data *adata = iio_priv(indio_dev);