Release 4.11 drivers/iio/pressure/mpl115_i2c.c
/*
* Freescale MPL115A2 pressure/temperature sensor
*
* Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
*
* This file is subject to the terms and conditions of version 2 of
* the GNU General Public License. See the file COPYING in the main
* directory of this archive for more details.
*
* (7-bit I2C slave address 0x60)
*
* Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf
*/
#include <linux/module.h>
#include <linux/i2c.h>
#include "mpl115.h"
static int mpl115_i2c_init(struct device *dev)
{
return 0;
}
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static int mpl115_i2c_read(struct device *dev, u8 address)
{
return i2c_smbus_read_word_swapped(to_i2c_client(dev), address);
}
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static int mpl115_i2c_write(struct device *dev, u8 address, u8 value)
{
return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value);
}
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static const struct mpl115_ops mpl115_i2c_ops = {
.init = mpl115_i2c_init,
.read = mpl115_i2c_read,
.write = mpl115_i2c_write,
};
static int mpl115_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -EOPNOTSUPP;
return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops);
}
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static const struct i2c_device_id mpl115_i2c_id[] = {
{ "mpl115", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, mpl115_i2c_id);
static struct i2c_driver mpl115_i2c_driver = {
.driver = {
.name = "mpl115",
},
.probe = mpl115_i2c_probe,
.id_table = mpl115_i2c_id,
};
module_i2c_driver(mpl115_i2c_driver);
MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");
MODULE_LICENSE("GPL");
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| Total | 222 | 100.00% | 2 | 100.00% |
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