projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | }, | |
| e039e2f5 GB |
35 | { |
| 36 | .compatible = "st,lps22hb-press", | |
| 37 | .data = LPS22HB_PRESS_DEV_NAME, | |
| 38 | }, | |
| 2d7768a8 LW |
39 | {}, |
| 40 | }; | |
| 41 | MODULE_DEVICE_TABLE(of, st_press_of_match); | |
| 42 | #else | |
| 43 | #define st_press_of_match NULL | |
| 44 | #endif | |
| 45 | ||
| 217494e5 DC |
46 | static int st_press_i2c_probe(struct i2c_client *client, |
| 47 | const struct i2c_device_id *id) | |
| 48 | { | |
| 49 | struct iio_dev *indio_dev; | |
| a1dcf429 | 50 | struct st_sensor_data *press_data; |
| 217494e5 DC |
51 | int err; |
| 52 | ||
| a1dcf429 | 53 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*press_data)); |
| d0fe8c8b SK |
54 | if (!indio_dev) |
| 55 | return -ENOMEM; | |
| 217494e5 | 56 | |
| a1dcf429 | 57 | press_data = iio_priv(indio_dev); |
| 2d7768a8 | 58 | st_sensors_of_i2c_probe(client, st_press_of_match); |
| 217494e5 | 59 | |
| a1dcf429 | 60 | st_sensors_i2c_configure(indio_dev, client, press_data); |
| 217494e5 | 61 | |
| 0baa3fc1 | 62 | err = st_press_common_probe(indio_dev); |
| 217494e5 | 63 | if (err < 0) |
| d0fe8c8b | 64 | return err; |
| 217494e5 DC |
65 | |
| 66 | return 0; | |
| 217494e5 DC |
67 | } |
| 68 | ||
| 69 | static int st_press_i2c_remove(struct i2c_client *client) | |
| 70 | { | |
| 71 | st_press_common_remove(i2c_get_clientdata(client)); | |
| 72 | ||
| 73 | return 0; | |
| 74 | } | |
| 75 | ||
| 76 | static const struct i2c_device_id st_press_id_table[] = { | |
| 7885a8ce | 77 | { LPS001WP_PRESS_DEV_NAME }, |
| 93187840 | 78 | { LPS25H_PRESS_DEV_NAME }, |
| 217494e5 DC |
79 | { LPS331AP_PRESS_DEV_NAME }, |
| 80 | {}, | |
| 81 | }; | |
| 82 | MODULE_DEVICE_TABLE(i2c, st_press_id_table); | |
| 83 | ||
| 84 | static struct i2c_driver st_press_driver = { | |
| 85 | .driver = { | |
| 217494e5 | 86 | .name = "st-press-i2c", |
| 2d7768a8 | 87 | .of_match_table = of_match_ptr(st_press_of_match), |
| 217494e5 DC |
88 | }, |
| 89 | .probe = st_press_i2c_probe, | |
| 90 | .remove = st_press_i2c_remove, | |
| 91 | .id_table = st_press_id_table, | |
| 92 | }; | |
| 93 | module_i2c_driver(st_press_driver); | |
| 94 | ||
| 95 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); | |
| 96 | MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver"); | |
| 97 | MODULE_LICENSE("GPL v2"); |