1 /*
2  * STMicroelectronics magnetometers driver
3  *
4  * Copyright 2012-2013 STMicroelectronics Inc.
5  *
6  * Denis Ciocca <denis.ciocca@st.com>
7  *
8  * Licensed under the GPL-2.
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/slab.h>
14 #include <linux/i2c.h>
15 #include <linux/iio/iio.h>
16 
17 #include <linux/iio/common/st_sensors.h>
18 #include <linux/iio/common/st_sensors_i2c.h>
19 #include "st_magn.h"
20 
21 static int st_magn_i2c_probe(struct i2c_client *client,
22 						const struct i2c_device_id *id)
23 {
24 	struct iio_dev *indio_dev;
25 	struct st_sensor_data *mdata;
26 	int err;
27 
28 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata));
29 	if (!indio_dev)
30 		return -ENOMEM;
31 
32 	mdata = iio_priv(indio_dev);
33 	mdata->dev = &client->dev;
34 
35 	st_sensors_i2c_configure(indio_dev, client, mdata);
36 
37 	err = st_magn_common_probe(indio_dev, NULL);
38 	if (err < 0)
39 		return err;
40 
41 	return 0;
42 }
43 
44 static int st_magn_i2c_remove(struct i2c_client *client)
45 {
46 	struct iio_dev *indio_dev = i2c_get_clientdata(client);
47 	st_magn_common_remove(indio_dev);
48 
49 	return 0;
50 }
51 
52 static const struct i2c_device_id st_magn_id_table[] = {
53 	{ LSM303DLHC_MAGN_DEV_NAME },
54 	{ LSM303DLM_MAGN_DEV_NAME },
55 	{ LIS3MDL_MAGN_DEV_NAME },
56 	{},
57 };
58 MODULE_DEVICE_TABLE(i2c, st_magn_id_table);
59 
60 static struct i2c_driver st_magn_driver = {
61 	.driver = {
62 		.owner = THIS_MODULE,
63 		.name = "st-magn-i2c",
64 	},
65 	.probe = st_magn_i2c_probe,
66 	.remove = st_magn_i2c_remove,
67 	.id_table = st_magn_id_table,
68 };
69 module_i2c_driver(st_magn_driver);
70 
71 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
72 MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver");
73 MODULE_LICENSE("GPL v2");
74