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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/hwmon/adt7410.c
Initial import
Diffstat (limited to 'drivers/hwmon/adt7410.c')
-rw-r--r--drivers/hwmon/adt7410.c80
1 files changed, 80 insertions, 0 deletions
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 <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");