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[~andy/linux] / drivers / iio / gyro / st_gyro_i2c.c
1 /*
2  * STMicroelectronics gyroscopes 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_gyro.h"
20
21 static int st_gyro_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 *gdata;
26         int err;
27
28         indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata));
29         if (!indio_dev)
30                 return -ENOMEM;
31
32         gdata = iio_priv(indio_dev);
33         gdata->dev = &client->dev;
34
35         st_sensors_i2c_configure(indio_dev, client, gdata);
36
37         err = st_gyro_common_probe(indio_dev,
38                                 (struct st_sensors_platform_data *)&gyro_pdata);
39         if (err < 0)
40                 return err;
41
42         return 0;
43 }
44
45 static int st_gyro_i2c_remove(struct i2c_client *client)
46 {
47         st_gyro_common_remove(i2c_get_clientdata(client));
48
49         return 0;
50 }
51
52 static const struct i2c_device_id st_gyro_id_table[] = {
53         { L3G4200D_GYRO_DEV_NAME },
54         { LSM330D_GYRO_DEV_NAME },
55         { LSM330DL_GYRO_DEV_NAME },
56         { LSM330DLC_GYRO_DEV_NAME },
57         { L3GD20_GYRO_DEV_NAME },
58         { L3GD20H_GYRO_DEV_NAME },
59         { L3G4IS_GYRO_DEV_NAME },
60         { LSM330_GYRO_DEV_NAME },
61         {},
62 };
63 MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);
64
65 static struct i2c_driver st_gyro_driver = {
66         .driver = {
67                 .owner = THIS_MODULE,
68                 .name = "st-gyro-i2c",
69         },
70         .probe = st_gyro_i2c_probe,
71         .remove = st_gyro_i2c_remove,
72         .id_table = st_gyro_id_table,
73 };
74 module_i2c_driver(st_gyro_driver);
75
76 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
77 MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
78 MODULE_LICENSE("GPL v2");