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kernel/linux-rt-4.4.41/drivers/iio/accel/st_accel_spi.c 1.7 KB
5113f6f70   김현기   kernel add
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  /*
   * STMicroelectronics accelerometers driver
   *
   * Copyright 2012-2013 STMicroelectronics Inc.
   *
   * Denis Ciocca <denis.ciocca@st.com>
   *
   * Licensed under the GPL-2.
   */
  
  #include <linux/kernel.h>
  #include <linux/module.h>
  #include <linux/slab.h>
  #include <linux/spi/spi.h>
  #include <linux/iio/iio.h>
  
  #include <linux/iio/common/st_sensors.h>
  #include <linux/iio/common/st_sensors_spi.h>
  #include "st_accel.h"
  
  static int st_accel_spi_probe(struct spi_device *spi)
  {
  	struct iio_dev *indio_dev;
  	struct st_sensor_data *adata;
  	int err;
  
  	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
  	if (!indio_dev)
  		return -ENOMEM;
  
  	adata = iio_priv(indio_dev);
  
  	st_sensors_spi_configure(indio_dev, spi, adata);
  
  	err = st_accel_common_probe(indio_dev);
  	if (err < 0)
  		return err;
  
  	return 0;
  }
  
  static int st_accel_spi_remove(struct spi_device *spi)
  {
  	st_accel_common_remove(spi_get_drvdata(spi));
  
  	return 0;
  }
  
  static const struct spi_device_id st_accel_id_table[] = {
  	{ LSM303DLH_ACCEL_DEV_NAME },
  	{ LSM303DLHC_ACCEL_DEV_NAME },
  	{ LIS3DH_ACCEL_DEV_NAME },
  	{ LSM330D_ACCEL_DEV_NAME },
  	{ LSM330DL_ACCEL_DEV_NAME },
  	{ LSM330DLC_ACCEL_DEV_NAME },
  	{ LIS331DLH_ACCEL_DEV_NAME },
  	{ LSM303DL_ACCEL_DEV_NAME },
  	{ LSM303DLM_ACCEL_DEV_NAME },
  	{ LSM330_ACCEL_DEV_NAME },
  	{ LSM303AGR_ACCEL_DEV_NAME },
  	{},
  };
  MODULE_DEVICE_TABLE(spi, st_accel_id_table);
  
  static struct spi_driver st_accel_driver = {
  	.driver = {
  		.name = "st-accel-spi",
  	},
  	.probe = st_accel_spi_probe,
  	.remove = st_accel_spi_remove,
  	.id_table = st_accel_id_table,
  };
  module_spi_driver(st_accel_driver);
  
  MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
  MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver");
  MODULE_LICENSE("GPL v2");