st_pressure_i2c.c 1.5 KB

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  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. #include <linux/kernel.h>
  11. #include <linux/module.h>
  12. #include <linux/slab.h>
  13. #include <linux/i2c.h>
  14. #include <linux/iio/iio.h>
  15. #include <linux/iio/common/st_sensors.h>
  16. #include <linux/iio/common/st_sensors_i2c.h>
  17. #include "st_pressure.h"
  18. static int st_press_i2c_probe(struct i2c_client *client,
  19. const struct i2c_device_id *id)
  20. {
  21. struct iio_dev *indio_dev;
  22. struct st_sensor_data *pdata;
  23. int err;
  24. indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*pdata));
  25. if (!indio_dev)
  26. return -ENOMEM;
  27. pdata = iio_priv(indio_dev);
  28. pdata->dev = &client->dev;
  29. st_sensors_i2c_configure(indio_dev, client, pdata);
  30. err = st_press_common_probe(indio_dev, client->dev.platform_data);
  31. if (err < 0)
  32. return err;
  33. return 0;
  34. }
  35. static int st_press_i2c_remove(struct i2c_client *client)
  36. {
  37. st_press_common_remove(i2c_get_clientdata(client));
  38. return 0;
  39. }
  40. static const struct i2c_device_id st_press_id_table[] = {
  41. { LPS331AP_PRESS_DEV_NAME },
  42. {},
  43. };
  44. MODULE_DEVICE_TABLE(i2c, st_press_id_table);
  45. static struct i2c_driver st_press_driver = {
  46. .driver = {
  47. .owner = THIS_MODULE,
  48. .name = "st-press-i2c",
  49. },
  50. .probe = st_press_i2c_probe,
  51. .remove = st_press_i2c_remove,
  52. .id_table = st_press_id_table,
  53. };
  54. module_i2c_driver(st_press_driver);
  55. MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
  56. MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
  57. MODULE_LICENSE("GPL v2");