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78 lines
2.0 KiB
78 lines
2.0 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* ADT7410/ADT7420 digital temperature sensor driver |
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* |
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* Copyright 2012-2013 Analog Devices Inc. |
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* Author: Lars-Peter Clausen <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/i2c.h> |
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#include "adt7x10.h" |
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static int adt7410_i2c_read_word(struct device *dev, u8 reg) |
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{ |
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return i2c_smbus_read_word_swapped(to_i2c_client(dev), reg); |
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} |
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static int adt7410_i2c_write_word(struct device *dev, u8 reg, u16 data) |
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{ |
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return i2c_smbus_write_word_swapped(to_i2c_client(dev), reg, data); |
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} |
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static int adt7410_i2c_read_byte(struct device *dev, u8 reg) |
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{ |
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return i2c_smbus_read_byte_data(to_i2c_client(dev), reg); |
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} |
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static int adt7410_i2c_write_byte(struct device *dev, u8 reg, u8 data) |
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{ |
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return i2c_smbus_write_byte_data(to_i2c_client(dev), reg, data); |
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} |
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static const struct adt7x10_ops adt7410_i2c_ops = { |
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.read_word = adt7410_i2c_read_word, |
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.write_word = adt7410_i2c_write_word, |
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.read_byte = adt7410_i2c_read_byte, |
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.write_byte = adt7410_i2c_write_byte, |
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}; |
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static int adt7410_i2c_probe(struct i2c_client *client) |
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{ |
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if (!i2c_check_functionality(client->adapter, |
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I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) |
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return -ENODEV; |
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return adt7x10_probe(&client->dev, NULL, client->irq, &adt7410_i2c_ops); |
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} |
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static int adt7410_i2c_remove(struct i2c_client *client) |
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{ |
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return adt7x10_remove(&client->dev, client->irq); |
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} |
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static const struct i2c_device_id adt7410_ids[] = { |
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{ "adt7410", 0 }, |
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{ "adt7420", 0 }, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(i2c, adt7410_ids); |
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static struct i2c_driver adt7410_driver = { |
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.class = I2C_CLASS_HWMON, |
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.driver = { |
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.name = "adt7410", |
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.pm = ADT7X10_DEV_PM_OPS, |
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}, |
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.probe_new = adt7410_i2c_probe, |
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.remove = adt7410_i2c_remove, |
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.id_table = adt7410_ids, |
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.address_list = I2C_ADDRS(0x48, 0x49, 0x4a, 0x4b), |
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}; |
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module_i2c_driver(adt7410_driver); |
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MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>"); |
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MODULE_DESCRIPTION("ADT7410/AD7420 driver"); |
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MODULE_LICENSE("GPL");
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