forked from Minki/linux
7a842ed6e3
Using devm_iio_device_alloc makes code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
|
|
* STMicroelectronics gyroscopes 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_gyro.h"
|
|
|
|
static int st_gyro_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct iio_dev *indio_dev;
|
|
struct st_sensor_data *gdata;
|
|
int err;
|
|
|
|
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*gdata));
|
|
if (!indio_dev)
|
|
return -ENOMEM;
|
|
|
|
gdata = iio_priv(indio_dev);
|
|
gdata->dev = &spi->dev;
|
|
|
|
st_sensors_spi_configure(indio_dev, spi, gdata);
|
|
|
|
err = st_gyro_common_probe(indio_dev,
|
|
(struct st_sensors_platform_data *)&gyro_pdata);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int st_gyro_spi_remove(struct spi_device *spi)
|
|
{
|
|
st_gyro_common_remove(spi_get_drvdata(spi));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct spi_device_id st_gyro_id_table[] = {
|
|
{ L3G4200D_GYRO_DEV_NAME },
|
|
{ LSM330D_GYRO_DEV_NAME },
|
|
{ LSM330DL_GYRO_DEV_NAME },
|
|
{ LSM330DLC_GYRO_DEV_NAME },
|
|
{ L3GD20_GYRO_DEV_NAME },
|
|
{ L3GD20H_GYRO_DEV_NAME },
|
|
{ L3G4IS_GYRO_DEV_NAME },
|
|
{ LSM330_GYRO_DEV_NAME },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
|
|
|
|
static struct spi_driver st_gyro_driver = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "st-gyro-spi",
|
|
},
|
|
.probe = st_gyro_spi_probe,
|
|
.remove = st_gyro_spi_remove,
|
|
.id_table = st_gyro_id_table,
|
|
};
|
|
module_spi_driver(st_gyro_driver);
|
|
|
|
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
|
|
MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver");
|
|
MODULE_LICENSE("GPL v2");
|