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65 lines
1.5 KiB
65 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Freescale MPL115A2 pressure/temperature sensor |
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* |
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* Copyright (c) 2014 Peter Meerwald <[email protected]> |
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* |
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* (7-bit I2C slave address 0x60) |
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* |
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* Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf |
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*/ |
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#include <linux/module.h> |
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#include <linux/i2c.h> |
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#include "mpl115.h" |
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static int mpl115_i2c_init(struct device *dev) |
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{ |
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return 0; |
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} |
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static int mpl115_i2c_read(struct device *dev, u8 address) |
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{ |
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return i2c_smbus_read_word_swapped(to_i2c_client(dev), address); |
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} |
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static int mpl115_i2c_write(struct device *dev, u8 address, u8 value) |
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{ |
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return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value); |
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} |
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static const struct mpl115_ops mpl115_i2c_ops = { |
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.init = mpl115_i2c_init, |
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.read = mpl115_i2c_read, |
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.write = mpl115_i2c_write, |
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}; |
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static int mpl115_i2c_probe(struct i2c_client *client, |
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const struct i2c_device_id *id) |
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{ |
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if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) |
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return -EOPNOTSUPP; |
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return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops); |
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} |
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static const struct i2c_device_id mpl115_i2c_id[] = { |
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{ "mpl115", 0 }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(i2c, mpl115_i2c_id); |
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static struct i2c_driver mpl115_i2c_driver = { |
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.driver = { |
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.name = "mpl115", |
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}, |
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.probe = mpl115_i2c_probe, |
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.id_table = mpl115_i2c_id, |
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}; |
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module_i2c_driver(mpl115_i2c_driver); |
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MODULE_AUTHOR("Peter Meerwald <[email protected]>"); |
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MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver"); |
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MODULE_LICENSE("GPL"); |
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MODULE_IMPORT_NS(IIO_MPL115);
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