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authorDenis Ciocca <denis.ciocca@st.com>2019-07-18 15:53:45 -0700
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-07-27 22:52:05 +0100
commit2acca26bba3a7487e941e234e8ee33a998eecf53 (patch)
treece033ea50f9ce30b7f246d292dadf560a1eeb2c3 /drivers/iio/gyro
parent823a7adac4f1bde2828d18f3bd8fa75285d00f4d (diff)
downloadlinux-2acca26bba3a7487e941e234e8ee33a998eecf53.tar.bz2
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 <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/gyro')
-rw-r--r--drivers/iio/gyro/st_gyro.h1
-rw-r--r--drivers/iio/gyro/st_gyro_core.c18
2 files changed, 19 insertions, 0 deletions
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);