diff options
author | Denis Ciocca <denis.ciocca@st.com> | 2019-07-18 15:53:47 -0700 |
---|---|---|
committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-07-27 22:52:05 +0100 |
commit | 539b25fa700acf8985ea1a273fcccef5e52d52e4 (patch) | |
tree | 8c4044e63d6c399347a1e0b8a4bc2f249ee37838 /drivers/iio/pressure | |
parent | aa4e75c85076c056d944b92ed94b76277430d263 (diff) | |
download | linux-stable-539b25fa700acf8985ea1a273fcccef5e52d52e4.tar.gz linux-stable-539b25fa700acf8985ea1a273fcccef5e52d52e4.tar.bz2 linux-stable-539b25fa700acf8985ea1a273fcccef5e52d52e4.zip |
iio:pressure: introduce st_press_get_settings() function
The function is introduced to retrieve press 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>
Diffstat (limited to 'drivers/iio/pressure')
-rw-r--r-- | drivers/iio/pressure/st_pressure.h | 1 | ||||
-rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h index 6a720cfb5686..c2e47a6c3118 100644 --- a/drivers/iio/pressure/st_pressure.h +++ b/drivers/iio/pressure/st_pressure.h @@ -41,6 +41,7 @@ static const struct st_sensors_platform_data default_press_pdata = { .drdy_int_pin = 1, }; +const struct st_sensor_settings *st_press_get_settings(const char *name); int st_press_common_probe(struct iio_dev *indio_dev); void st_press_common_remove(struct iio_dev *indio_dev); diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index b960e76f7dfd..35d80ff27464 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -664,6 +664,24 @@ static const struct iio_trigger_ops st_press_trigger_ops = { #define ST_PRESS_TRIGGER_OPS NULL #endif +/* + * st_press_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_press_get_settings(const char *name) +{ + int index = st_sensors_get_settings_index(name, + st_press_sensors_settings, + ARRAY_SIZE(st_press_sensors_settings)); + if (index < 0) + return NULL; + + return &st_press_sensors_settings[index]; +} +EXPORT_SYMBOL(st_press_get_settings); + int st_press_common_probe(struct iio_dev *indio_dev) { struct st_sensor_data *press_data = iio_priv(indio_dev); |