LXR linux/drivers/iio/pressure/st_pressure

   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/spi/spi.h>
  15#include <linux/iio/iio.h>
  16
  17#include <linux/iio/common/st_sensors.h>
  18#include <linux/iio/common/st_sensors_spi.h>
  19#include "st_pressure.h"
  20
  21static int st_press_spi_probe(struct spi_device *spi)
  22{
  23        struct iio_dev *indio_dev;
  24        struct st_sensor_data *pdata;
  25        int err;
  26
  27        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*pdata));
  28        if (indio_dev == NULL)
  29                return -ENOMEM;
  30
  31        pdata = iio_priv(indio_dev);
  32        pdata->dev = &spi->dev;
  33
  34        st_sensors_spi_configure(indio_dev, spi, pdata);
  35
  36        err = st_press_common_probe(indio_dev, spi->dev.platform_data);
  37        if (err < 0)
  38                return err;
  39
  40        return 0;
  41}
  42
  43static int st_press_spi_remove(struct spi_device *spi)
  44{
  45        st_press_common_remove(spi_get_drvdata(spi));
  46
  47        return 0;
  48}
  49
  50static const struct spi_device_id st_press_id_table[] = {
  51        { LPS001WP_PRESS_DEV_NAME },
  52        { LPS25H_PRESS_DEV_NAME },
  53        { LPS331AP_PRESS_DEV_NAME },
  54        {},
  55};
  56MODULE_DEVICE_TABLE(spi, st_press_id_table);
  57
  58static struct spi_driver st_press_driver = {
  59        .driver = {
  60                .owner = THIS_MODULE,
  61                .name = "st-press-spi",
  62        },
  63        .probe = st_press_spi_probe,
  64        .remove = st_press_spi_remove,
  65        .id_table = st_press_id_table,
  66};
  67module_spi_driver(st_press_driver);
  68
  69MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
  70MODULE_DESCRIPTION("STMicroelectronics pressures spi driver");
  71MODULE_LICENSE("GPL v2");
  72