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217494e5 DC |
1 | /* |
2 | * STMicroelectronics pressures driver | |
3 | * | |
4 | * Copyright 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_pressure.h" | |
20 | ||
2d7768a8 LW |
21 | #ifdef CONFIG_OF |
22 | static const struct of_device_id st_press_of_match[] = { | |
23 | { | |
24 | .compatible = "st,lps001wp-press", | |
25 | .data = LPS001WP_PRESS_DEV_NAME, | |
26 | }, | |
27 | { | |
28 | .compatible = "st,lps25h-press", | |
29 | .data = LPS25H_PRESS_DEV_NAME, | |
30 | }, | |
31 | { | |
32 | .compatible = "st,lps331ap-press", | |
33 | .data = LPS331AP_PRESS_DEV_NAME, | |
34 | }, | |
35 | {}, | |
36 | }; | |
37 | MODULE_DEVICE_TABLE(of, st_press_of_match); | |
38 | #else | |
39 | #define st_press_of_match NULL | |
40 | #endif | |
41 | ||
217494e5 DC |
42 | static int st_press_i2c_probe(struct i2c_client *client, |
43 | const struct i2c_device_id *id) | |
44 | { | |
45 | struct iio_dev *indio_dev; | |
a1dcf429 | 46 | struct st_sensor_data *press_data; |
217494e5 DC |
47 | int err; |
48 | ||
a1dcf429 | 49 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*press_data)); |
d0fe8c8b SK |
50 | if (!indio_dev) |
51 | return -ENOMEM; | |
217494e5 | 52 | |
a1dcf429 | 53 | press_data = iio_priv(indio_dev); |
2d7768a8 | 54 | st_sensors_of_i2c_probe(client, st_press_of_match); |
217494e5 | 55 | |
a1dcf429 | 56 | st_sensors_i2c_configure(indio_dev, client, press_data); |
217494e5 | 57 | |
0baa3fc1 | 58 | err = st_press_common_probe(indio_dev); |
217494e5 | 59 | if (err < 0) |
d0fe8c8b | 60 | return err; |
217494e5 DC |
61 | |
62 | return 0; | |
217494e5 DC |
63 | } |
64 | ||
65 | static int st_press_i2c_remove(struct i2c_client *client) | |
66 | { | |
67 | st_press_common_remove(i2c_get_clientdata(client)); | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
72 | static const struct i2c_device_id st_press_id_table[] = { | |
7885a8ce | 73 | { LPS001WP_PRESS_DEV_NAME }, |
93187840 | 74 | { LPS25H_PRESS_DEV_NAME }, |
217494e5 DC |
75 | { LPS331AP_PRESS_DEV_NAME }, |
76 | {}, | |
77 | }; | |
78 | MODULE_DEVICE_TABLE(i2c, st_press_id_table); | |
79 | ||
80 | static struct i2c_driver st_press_driver = { | |
81 | .driver = { | |
217494e5 | 82 | .name = "st-press-i2c", |
2d7768a8 | 83 | .of_match_table = of_match_ptr(st_press_of_match), |
217494e5 DC |
84 | }, |
85 | .probe = st_press_i2c_probe, | |
86 | .remove = st_press_i2c_remove, | |
87 | .id_table = st_press_id_table, | |
88 | }; | |
89 | module_i2c_driver(st_press_driver); | |
90 | ||
91 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); | |
92 | MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver"); | |
93 | MODULE_LICENSE("GPL v2"); |