adt7410.c
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/*
* ADT7410/ADT7420 digital temperature sensor driver
*
* Copyright 2012-2013 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*
* Licensed under the GPL-2 or later.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include "adt7x10.h"
static int adt7410_i2c_read_word(struct device *dev, u8 reg)
{
return i2c_smbus_read_word_swapped(to_i2c_client(dev), reg);
}
static int adt7410_i2c_write_word(struct device *dev, u8 reg, u16 data)
{
return i2c_smbus_write_word_swapped(to_i2c_client(dev), reg, data);
}
static int adt7410_i2c_read_byte(struct device *dev, u8 reg)
{
return i2c_smbus_read_byte_data(to_i2c_client(dev), reg);
}
static int adt7410_i2c_write_byte(struct device *dev, u8 reg, u8 data)
{
return i2c_smbus_write_byte_data(to_i2c_client(dev), reg, data);
}
static const struct adt7x10_ops adt7410_i2c_ops = {
.read_word = adt7410_i2c_read_word,
.write_word = adt7410_i2c_write_word,
.read_byte = adt7410_i2c_read_byte,
.write_byte = adt7410_i2c_write_byte,
};
static int adt7410_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
return -ENODEV;
return adt7x10_probe(&client->dev, NULL, client->irq, &adt7410_i2c_ops);
}
static int adt7410_i2c_remove(struct i2c_client *client)
{
return adt7x10_remove(&client->dev, client->irq);
}
static const struct i2c_device_id adt7410_ids[] = {
{ "adt7410", 0 },
{ "adt7420", 0 },
{}
};
MODULE_DEVICE_TABLE(i2c, adt7410_ids);
static struct i2c_driver adt7410_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "adt7410",
.pm = ADT7X10_DEV_PM_OPS,
},
.probe = adt7410_i2c_probe,
.remove = adt7410_i2c_remove,
.id_table = adt7410_ids,
.address_list = I2C_ADDRS(0x48, 0x49, 0x4a, 0x4b),
};
module_i2c_driver(adt7410_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ADT7410/AD7420 driver");
MODULE_LICENSE("GPL");