From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/hwmon/adt7410.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/hwmon/adt7410.c (limited to 'drivers/hwmon/adt7410.c') diff --git a/drivers/hwmon/adt7410.c b/drivers/hwmon/adt7410.c new file mode 100644 index 000000000..0dc066a93 --- /dev/null +++ b/drivers/hwmon/adt7410.c @@ -0,0 +1,80 @@ +/* + * ADT7410/ADT7420 digital temperature sensor driver + * + * Copyright 2012-2013 Analog Devices Inc. + * Author: Lars-Peter Clausen + * + * Licensed under the GPL-2 or later. + */ + +#include +#include +#include + +#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 "); +MODULE_DESCRIPTION("ADT7410/AD7420 driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3-54-g00ecf