linux/drivers/iio/pressure/st_pressure_i2c.c
Sachin Kamat d0fe8c8b3b iio: pressure: st_pressure: Use devm_iio_device_alloc
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>
2013-08-03 21:02:38 +01:00

71 lines
1.5 KiB
C

/*
* STMicroelectronics pressures driver
*
* Copyright 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/i2c.h>
#include <linux/iio/iio.h>
#include <linux/iio/common/st_sensors.h>
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_pressure.h"
static int st_press_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct iio_dev *indio_dev;
struct st_sensor_data *pdata;
int err;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*pdata));
if (!indio_dev)
return -ENOMEM;
pdata = iio_priv(indio_dev);
pdata->dev = &client->dev;
st_sensors_i2c_configure(indio_dev, client, pdata);
err = st_press_common_probe(indio_dev, client->dev.platform_data);
if (err < 0)
return err;
return 0;
}
static int st_press_i2c_remove(struct i2c_client *client)
{
st_press_common_remove(i2c_get_clientdata(client));
return 0;
}
static const struct i2c_device_id st_press_id_table[] = {
{ LPS331AP_PRESS_DEV_NAME },
{},
};
MODULE_DEVICE_TABLE(i2c, st_press_id_table);
static struct i2c_driver st_press_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "st-press-i2c",
},
.probe = st_press_i2c_probe,
.remove = st_press_i2c_remove,
.id_table = st_press_id_table,
};
module_i2c_driver(st_press_driver);
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
MODULE_LICENSE("GPL v2");