tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
21static 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 = iio_device_alloc(sizeof(*gdata));
29 if (indio_dev == NULL) {
30 err = -ENOMEM;
31 goto iio_device_alloc_error;
32 }
33
34 gdata = iio_priv(indio_dev);
35 gdata->dev = &client->dev;
36
37 st_sensors_i2c_configure(indio_dev, client, gdata);
38
39 err = st_gyro_common_probe(indio_dev);
40 if (err < 0)
41 goto st_gyro_common_probe_error;
42
43 return 0;
44
45st_gyro_common_probe_error:
46 iio_device_free(indio_dev);
47iio_device_alloc_error:
48 return err;
49}
50
51static int st_gyro_i2c_remove(struct i2c_client *client)
52{
53 st_gyro_common_remove(i2c_get_clientdata(client));
54
55 return 0;
56}
57
58static const struct i2c_device_id st_gyro_id_table[] = {
59 { L3G4200D_GYRO_DEV_NAME },
60 { LSM330D_GYRO_DEV_NAME },
61 { LSM330DL_GYRO_DEV_NAME },
62 { LSM330DLC_GYRO_DEV_NAME },
63 { L3GD20_GYRO_DEV_NAME },
64 { L3GD20H_GYRO_DEV_NAME },
65 { L3G4IS_GYRO_DEV_NAME },
66 { LSM330_GYRO_DEV_NAME },
67 {},
68};
69MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);
70
71static struct i2c_driver st_gyro_driver = {
72 .driver = {
73 .owner = THIS_MODULE,
74 .name = "st-gyro-i2c",
75 },
76 .probe = st_gyro_i2c_probe,
77 .remove = st_gyro_i2c_remove,
78 .id_table = st_gyro_id_table,
79};
80module_i2c_driver(st_gyro_driver);
81
82MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
83MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
84MODULE_LICENSE("GPL v2");