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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Freescale MPL115A2 pressure/temperature sensor4 *5 * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>6 *7 * (7-bit I2C slave address 0x60)8 *9 * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf10 */11 12#include <linux/module.h>13#include <linux/i2c.h>14 15#include "mpl115.h"16 17static int mpl115_i2c_init(struct device *dev)18{19 return 0;20}21 22static int mpl115_i2c_read(struct device *dev, u8 address)23{24 return i2c_smbus_read_word_swapped(to_i2c_client(dev), address);25}26 27static int mpl115_i2c_write(struct device *dev, u8 address, u8 value)28{29 return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value);30}31 32static const struct mpl115_ops mpl115_i2c_ops = {33 .init = mpl115_i2c_init,34 .read = mpl115_i2c_read,35 .write = mpl115_i2c_write,36};37 38static int mpl115_i2c_probe(struct i2c_client *client)39{40 const struct i2c_device_id *id = i2c_client_get_device_id(client);41 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))42 return -EOPNOTSUPP;43 44 return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops);45}46 47static const struct i2c_device_id mpl115_i2c_id[] = {48 { "mpl115" },49 { }50};51MODULE_DEVICE_TABLE(i2c, mpl115_i2c_id);52 53static struct i2c_driver mpl115_i2c_driver = {54 .driver = {55 .name = "mpl115",56 .pm = pm_ptr(&mpl115_dev_pm_ops),57 },58 .probe = mpl115_i2c_probe,59 .id_table = mpl115_i2c_id,60};61module_i2c_driver(mpl115_i2c_driver);62 63MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");64MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");65MODULE_LICENSE("GPL");66MODULE_IMPORT_NS(IIO_MPL115);67