From 2acca26bba3a7487e941e234e8ee33a998eecf53 Mon Sep 17 00:00:00 2001 From: Denis Ciocca Date: Thu, 18 Jul 2019 15:53:45 -0700 Subject: iio:gyro: introduce st_gyro_get_settings() function The function is introduced to retrieve gyro device settings. It will be used by probe in order to configure regmap. Signed-off-by: Denis Ciocca Signed-off-by: Jonathan Cameron --- drivers/iio/gyro/st_gyro.h | 1 + drivers/iio/gyro/st_gyro_core.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+) (limited to 'drivers/iio/gyro') diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h index 460d190be4a4..592f6b34e987 100644 --- a/drivers/iio/gyro/st_gyro.h +++ b/drivers/iio/gyro/st_gyro.h @@ -32,6 +32,7 @@ static const struct st_sensors_platform_data gyro_pdata = { .drdy_int_pin = 2, }; +const struct st_sensor_settings *st_gyro_get_settings(const char *name); int st_gyro_common_probe(struct iio_dev *indio_dev); void st_gyro_common_remove(struct iio_dev *indio_dev); diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index e995dc77e30e..5cc63d41d855 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -368,6 +368,24 @@ static const struct iio_trigger_ops st_gyro_trigger_ops = { #define ST_GYRO_TRIGGER_OPS NULL #endif +/* + * st_gyro_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_gyro_get_settings(const char *name) +{ + int index = st_sensors_get_settings_index(name, + st_gyro_sensors_settings, + ARRAY_SIZE(st_gyro_sensors_settings)); + if (index < 0) + return NULL; + + return &st_gyro_sensors_settings[index]; +} +EXPORT_SYMBOL(st_gyro_get_settings); + int st_gyro_common_probe(struct iio_dev *indio_dev) { struct st_sensor_data *gdata = iio_priv(indio_dev); -- cgit v1.2.1