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path: root/drivers/iio/magnetometer/st_magn_i2c.c
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Diffstat (limited to 'drivers/iio/magnetometer/st_magn_i2c.c')
-rw-r--r--drivers/iio/magnetometer/st_magn_i2c.c61
1 files changed, 34 insertions, 27 deletions
diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
index 68650f5f5c19..ed70e782af5e 100644
--- a/drivers/iio/magnetometer/st_magn_i2c.c
+++ b/drivers/iio/magnetometer/st_magn_i2c.c
@@ -1,16 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics magnetometers driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/slab.h>
+#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
@@ -18,7 +17,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_magn.h"
-#ifdef CONFIG_OF
static const struct of_device_id st_magn_of_match[] = {
{
.compatible = "st,lsm303dlh-magn",
@@ -48,43 +46,50 @@ static const struct of_device_id st_magn_of_match[] = {
.compatible = "st,lsm9ds1-magn",
.data = LSM9DS1_MAGN_DEV_NAME,
},
- {},
+ {
+ .compatible = "st,iis2mdc",
+ .data = IIS2MDC_MAGN_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303c-magn",
+ .data = LSM303C_MAGN_DEV_NAME,
+ },
+ { }
};
MODULE_DEVICE_TABLE(of, st_magn_of_match);
-#else
-#define st_magn_of_match NULL
-#endif
-static int st_magn_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int st_magn_i2c_probe(struct i2c_client *client)
{
- struct iio_dev *indio_dev;
+ const struct st_sensor_settings *settings;
struct st_sensor_data *mdata;
+ struct iio_dev *indio_dev;
int err;
+ st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
+
+ settings = st_magn_get_settings(client->name);
+ if (!settings) {
+ dev_err(&client->dev, "device name %s not recognized.\n",
+ client->name);
+ return -ENODEV;
+ }
+
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata));
if (!indio_dev)
return -ENOMEM;
mdata = iio_priv(indio_dev);
- st_sensors_of_name_probe(&client->dev, st_magn_of_match,
- client->name, sizeof(client->name));
+ mdata->sensor_settings = (struct st_sensor_settings *)settings;
- st_sensors_i2c_configure(indio_dev, client, mdata);
-
- err = st_magn_common_probe(indio_dev);
+ err = st_sensors_i2c_configure(indio_dev, client);
if (err < 0)
return err;
- return 0;
-}
-
-static int st_magn_i2c_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
- st_magn_common_remove(indio_dev);
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
- return 0;
+ return st_magn_common_probe(indio_dev);
}
static const struct i2c_device_id st_magn_id_table[] = {
@@ -95,17 +100,18 @@ static const struct i2c_device_id st_magn_id_table[] = {
{ LSM303AGR_MAGN_DEV_NAME },
{ LIS2MDL_MAGN_DEV_NAME },
{ LSM9DS1_MAGN_DEV_NAME },
- {},
+ { IIS2MDC_MAGN_DEV_NAME },
+ { LSM303C_MAGN_DEV_NAME },
+ { }
};
MODULE_DEVICE_TABLE(i2c, st_magn_id_table);
static struct i2c_driver st_magn_driver = {
.driver = {
.name = "st-magn-i2c",
- .of_match_table = of_match_ptr(st_magn_of_match),
+ .of_match_table = st_magn_of_match,
},
.probe = st_magn_i2c_probe,
- .remove = st_magn_i2c_remove,
.id_table = st_magn_id_table,
};
module_i2c_driver(st_magn_driver);
@@ -113,3 +119,4 @@ module_i2c_driver(st_magn_driver);
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("IIO_ST_SENSORS");