// SPDX-License-Identifier: GPL-2.0-only /* * Freescale MPL115A2 pressure/temperature sensor * * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net> * * (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; } static int mpl115_i2c_read(struct device *dev, u8 address) { return i2c_smbus_read_word_swapped(to_i2c_client(dev), address); } static int mpl115_i2c_write(struct device *dev, u8 address, u8 value) { return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value); } 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); } 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"); |