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List: lm-sensors
Subject: [lm-sensors] [RESEND][PATCH] THMC50 and ADM1022 support for 2.6
From: Krzysztof Helt <krzysztof.h1 () wp ! pl>
Date: 2007-06-25 15:02:10
Message-ID: 467FD8F2.1000409 () wp ! pl
[Download RAW message or body]
This patch adds support for THMC50 and ADM1022 chips to 2.6 kernels.
Signed-off-by: Krzysztof Helt <krzysztof.h1 at wp.pl>
---
This patch was redone against linux-2.6.22-rc5-git8 (as requested by Mark M. Hoffman \
in the "kernel TODO" post).
This patch is improved comparing to previous one:
* it allows selection of ADM1022 working mode (THMC50 or
additional remote temperature)
* adds doc file
* stops the fan with pwm1 setting to 0
* removes interrupt mask and status files from sysfs.
Regards,
Krzysztof
["thmc50.diff" (text/plain)]
diff -urNp linux-2.6.21/Documentation/hwmon/thmc50 \
linux-2.6.22/Documentation/hwmon/thmc50
--- linux-2.6.21/Documentation/hwmon/thmc50 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.22/Documentation/hwmon/thmc50 2007-06-24 22:22:56.852806945 +0200
@@ -0,0 +1,82 @@
+Kernel driver `thmc50.o'
+=====================
+
+Status: Complete and some-what tested
+
+Supported chips:
+ * Analog Devices ADM1022
+ Prefix: 'adm1022'
+ Addresses scanned: I2C 0x2D - 0x2F
+ Datasheet: Publicly available at the Analog Devices website
+ * Texas Instruments THMC50
+ Prefix: 'thmc50'
+ Addresses scanned: I2C 0x2D - 0x2F
+ Datasheet: Publicly available at the Texas Instruments' website
+
+Authors: Frodo Looijaard <frodol@dds.nl> and
+ Philip Edelbrock <phil@netroedge.com>
+ Krzysztof Helt <krzysztof.h1@wp.pl>
+
+
+Module Parameters
+-----------------
+
+* force: short array (min = 1, max = 48)
+ List of adapter,address pairs to boldly assume to be present
+* force_thmc50: short array (min = 1, max = 48)
+ List of adapter,address pairs which are unquestionably assumed to contain
+ a `thmc50' chip
+* ignore: short array (min = 1, max = 48)
+ List of adapter,address pairs not to scan
+* ignore_range: short array (min = 1, max = 48)
+ List of adapter,start-addr,end-addr triples not to scan
+* probe: short array (min = 1, max = 48)
+ List of adapter,address pairs to scan additionally
+* probe_range: short array (min = 1, max = 48)
+ List of adapter,start-addr,end-addr triples to scan additionally
+* adm1022_temp3: short array (min = 1, max = 3)
+ List of adapter,address pairs of ADM1022 chips to set into measurening
+ additional remote temperature.
+
+
+Description
+-----------
+
+The THMC50 implements: an internal temperature sensor, support for an
+external diode-type temperature sensor (compatible w/ the diode sensor inside
+many processors), and a controllable fan/analog_out DAC. For the temperature
+sensors, limits can be set through the appropriate Overtemperature Shutdown
+register and Hysteresis register. Each value can be set and read to half-degree
+accuracy. An alarm is issued (usually to a connected LM78) when the
+temperature gets higher then the Overtemperature Shutdown value; it stays on
+until the temperature falls below the Hysteresis value. All temperatures are in
+degrees Celsius, and are guaranteed within a range of -55 to +125 degrees.
+
+The THMC50 only updates its values each 1.5 seconds; reading it more often
+will do no harm, but will return 'old' values.
+
+The THMC50 is usually used in combination with LM78-like chips, to measure
+the temperature of the processor(s).
+
+The ADM1022 works the same as THMC50 but it is faster (5 Hz instead of
+1 Hz for THMC50). Another difference is ability to handle additional
+remote temperature sensor. The ADM1022 so some pins changes their meaning
+in this mode. If the sensor is supposed to work in this mode but is not set
+with adm1022_temp3 parameter a fan is forced to full output.
+
+Driver Features
+---------------
+
+The the driver provides up to three temperatures:
+
+temp1 -- internal
+temp2 -- remote
+temp3 -- 2nd remote only for ADM1022
+
+pwm1 -- fan speed (0 = stop, 255 = full)
+pwm1_mode -- always 0 (DC mode)
+
+The value of 0 for pwm1 also forces FAN_OFF signal from the chip, so it stops fans \
even if the value 0 into the ANALOG_OUT register does not. +
+
+The driver was tested on Compaq AP550 with two ADM1022 chips (one works in the temp3 \
mode), five temperature readings and two fans.
diff -urNp linux-2.6.21/drivers/hwmon/Kconfig linux-2.6.22/drivers/hwmon/Kconfig
--- linux-2.6.21/drivers/hwmon/Kconfig 2007-06-24 22:14:45.824824857 +0200
+++ linux-2.6.22/drivers/hwmon/Kconfig 2007-06-24 22:24:58.859759689 +0200
@@ -485,6 +485,16 @@ config SENSORS_SMSC47B397
This driver can also be built as a module. If so, the module
will be called smsc47b397.
+config SENSORS_THMC50
+ tristate "Texas Instruments THMC50 / Analog Devices ADM1022"
+ depends on I2C && EXPERIMENTAL
+ help
+ If you say yes here you get support for Texas Instruments THMC50
+ sensor chips and clones: the Analog Devices ADM1022.
+
+ This driver can also be built as a module. If so, the module
+ will be called thmc50.
+
config SENSORS_VIA686A
tristate "VIA686A"
depends on I2C && PCI
diff -urNp linux-2.6.21/drivers/hwmon/Makefile linux-2.6.22/drivers/hwmon/Makefile
--- linux-2.6.21/drivers/hwmon/Makefile 2007-06-24 22:14:45.824824857 +0200
+++ linux-2.6.22/drivers/hwmon/Makefile 2007-06-24 22:22:56.852806945 +0200
@@ -53,6 +53,7 @@ obj-$(CONFIG_SENSORS_SIS5595) += sis5595
obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o
obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o
obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o
+obj-$(CONFIG_SENSORS_THMC50) += thmc50.o
obj-$(CONFIG_SENSORS_VIA686A) += via686a.o
obj-$(CONFIG_SENSORS_VT1211) += vt1211.o
obj-$(CONFIG_SENSORS_VT8231) += vt8231.o
diff -urNp linux-2.6.21/drivers/hwmon/thmc50.c linux-2.6.22/drivers/hwmon/thmc50.c
--- linux-2.6.21/drivers/hwmon/thmc50.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.22/drivers/hwmon/thmc50.c 2007-06-24 22:22:56.852806945 +0200
@@ -0,0 +1,438 @@
+/*
+ thmc50.c - Part of lm_sensors, Linux kernel modules for hardware
+ monitoring
+ Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
+ Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl> and
+ Philip Edelbrock <phil@netroedge.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+
+MODULE_LICENSE("GPL");
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2D, 0x2E, I2C_CLIENT_END };
+
+/* Insmod parameters */
+I2C_CLIENT_INSMOD_2(thmc50,adm1022);
+I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs to enable 3rd \
temperature (ADM1022 only)"); +
+/* Many THMC50 constants specified below */
+
+/* The THMC50 registers */
+#define THMC50_REG_TEMP 0x27
+#define THMC50_REG_CONF 0x40
+#define THMC50_REG_TEMP_HYST 0x3A
+#define THMC50_REG_TEMP_OS 0x39
+
+#define THMC50_REG_TEMP_TRIP 0x13
+#define THMC50_REG_TEMP_REMOTE_TRIP 0x14
+#define THMC50_REG_TEMP_DEFAULT_TRIP 0x17
+#define THMC50_REG_TEMP_REMOTE_DEFAULT_TRIP 0x18
+#define THMC50_REG_ANALOG_OUT 0x19
+#define THMC50_REG_REMOTE_TEMP 0x26
+#define THMC50_REG_REMOTE_TEMP_HYST 0x38
+#define THMC50_REG_REMOTE_TEMP_OS 0x37
+#define ADM1022_REG_REMOTE_TEMP2 0x20
+#define ADM1022_REG_REMOTE_TEMP2_HYST 0x2C
+#define ADM1022_REG_REMOTE_TEMP2_OS 0x2B
+
+#define THMC50_REG_INTER 0x41
+#define THMC50_REG_INTER_MIRROR 0x4C
+#define THMC50_REG_INTER_MASK 0x43
+
+#define THMC50_REG_COMPANY_ID 0x3E
+#define THMC50_REG_DIE_CODE 0x3F
+
+#define THMC50_REG_CONF_FANOFF 0x20
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG
+ variants. Note that you should be a bit careful with which arguments
+ these macros are called: arguments may be evaluated more than once.
+ Fixing this is just not worth it. */
+#define TEMP_FROM_REG(val) ((val>127)?(val - 0x0100)*1000:val*1000)
+#define TEMP_TO_REG(val) ((val<0)?0x0100+val/1000:val/1000)
+
+/* Each client has this additional data */
+struct thmc50_data {
+ struct i2c_client client;
+ struct class_device *class_dev;
+
+ struct mutex update_lock;
+ char valid; /* !=0 if following fields are valid */
+ enum chips type;
+ unsigned long last_updated; /* In jiffies */
+
+ /* Register values */
+ u16 temp_input;
+ u16 temp_max;
+ u16 temp_hyst;
+ u16 remote_temp_input;
+ u16 remote_temp_max;
+ u16 remote_temp_hyst;
+ u16 remote_temp2_input;
+ u16 remote_temp2_max;
+ u16 remote_temp2_hyst;
+ u16 analog_out;
+ u16 config_reg;
+};
+
+static int thmc50_attach_adapter(struct i2c_adapter *adapter);
+static int thmc50_detect(struct i2c_adapter *adapter, int address, int kind);
+static void thmc50_init_client(struct i2c_client *client);
+static int thmc50_detach_client(struct i2c_client *client);
+static struct thmc50_data *thmc50_update_device(struct device *dev);
+
+static int thmc50_read_value(struct i2c_client *client, u8 reg);
+static int thmc50_write_value(struct i2c_client *client, u8 reg,
+ u16 value);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver thmc50_driver = {
+ .driver = {
+ .name = "THMC50 sensor chip driver",
+ },
+ .id = I2C_DRIVERID_THMC50,
+ .attach_adapter = thmc50_attach_adapter,
+ .detach_client = thmc50_detach_client,
+};
+
+#define show(value) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char \
*buf) \ +{ \
+ struct thmc50_data *data = thmc50_update_device(dev); \
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+}
+show(temp_input);
+show(temp_max);
+show(temp_hyst);
+show(remote_temp_input);
+show(remote_temp_max);
+show(remote_temp_hyst);
+show(remote_temp2_input);
+show(remote_temp2_max);
+show(remote_temp2_hyst);
+
+static ssize_t show_analog_out(struct device *dev, struct device_attribute *attr, \
char *buf) +{
+ struct thmc50_data *data = thmc50_update_device(dev);
+ return sprintf(buf, "%d\n", data->analog_out);
+}
+
+#define set(value, reg) \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const \
char *buf, size_t count) \ +{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct thmc50_data *data = i2c_get_clientdata(client); \
+ int temp = simple_strtoul(buf, NULL, 10); \
+ \
+ mutex_lock(&data->update_lock); \
+ data->value = TEMP_TO_REG(temp); \
+ thmc50_write_value(client, reg, data->value); \
+ mutex_unlock(&data->update_lock); \
+ return count; \
+}
+set(temp_max, THMC50_REG_TEMP_OS);
+set(temp_hyst, THMC50_REG_TEMP_HYST);
+set(remote_temp_max, THMC50_REG_REMOTE_TEMP_OS);
+set(remote_temp_hyst, THMC50_REG_REMOTE_TEMP_HYST);
+set(remote_temp2_max, ADM1022_REG_REMOTE_TEMP2_OS);
+set(remote_temp2_hyst, ADM1022_REG_REMOTE_TEMP2_HYST);
+
+static ssize_t set_reg_analog_out(struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) +{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct thmc50_data *data = i2c_get_clientdata(client);
+ int tmp = simple_strtoul(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->analog_out = tmp;
+ thmc50_write_value(client, THMC50_REG_ANALOG_OUT, data->analog_out);
+ if (tmp == 0)
+ data->config_reg &= ~THMC50_REG_CONF_FANOFF;
+ else
+ data->config_reg |= THMC50_REG_CONF_FANOFF;
+ thmc50_write_value(client, THMC50_REG_CONF, data->config_reg);
+
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+/* There is only one PWM mode = DC */
+static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, char \
*buf) +{
+ return sprintf(buf, "0\n");
+}
+
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_hyst, set_temp_hyst);
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_remote_temp_max, \
set_remote_temp_max); +static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, \
show_remote_temp_hyst, set_remote_temp_hyst); +static DEVICE_ATTR(temp2_input, \
S_IRUGO, show_remote_temp_input, NULL); +static DEVICE_ATTR(temp3_max, S_IWUSR | \
S_IRUGO, show_remote_temp2_max, set_remote_temp2_max); +static DEVICE_ATTR(temp3_min, \
S_IWUSR | S_IRUGO, show_remote_temp2_hyst, set_remote_temp2_hyst); +static \
DEVICE_ATTR(temp3_input, S_IRUGO, show_remote_temp2_input, NULL); +static \
DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_analog_out, set_reg_analog_out); +static \
DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL); +
+static int thmc50_attach_adapter(struct i2c_adapter *adapter)
+{
+ if (!(adapter->class & I2C_CLASS_HWMON))
+ return 0;
+ return i2c_probe(adapter, &addr_data, thmc50_detect);
+}
+
+static struct attribute *thmc50_attributes[] = {
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp1_min.attr,
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp2_max.attr,
+ &dev_attr_temp2_min.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_pwm1.attr,
+ &dev_attr_pwm1_mode.attr,
+ &dev_attr_temp3_max.attr,
+ &dev_attr_temp3_min.attr,
+ &dev_attr_temp3_input.attr,
+ NULL
+};
+
+static const struct attribute_group thmc50_group = {
+ .attrs = thmc50_attributes,
+};
+
+/* This function is called by i2c_detect */
+int thmc50_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+ int company;
+ int revision;
+ struct i2c_client *new_client;
+ struct thmc50_data *data;
+ struct device *dev;
+ int err = 0;
+ const char *type_name = "";
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ goto exit;
+
+ /* OK. For now, we presume we have a valid client. We now create the
+ client structure, even though we cannot fill it completely yet.
+ But it allows us to access thmc50_{read,write}_value. */
+ if (!(data = kzalloc(sizeof(struct thmc50_data), GFP_KERNEL))) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ new_client = &data->client;
+ i2c_set_clientdata(new_client, data);
+ new_client->addr = address;
+ new_client->adapter = adapter;
+ new_client->driver = &thmc50_driver;
+ new_client->flags = 0;
+ dev = &new_client->dev;
+
+ dev_dbg(dev, "thmc50.o: Probing for THMC50 at 0x%2X on bus %d\n",
+ new_client->addr, i2c_adapter_id(new_client->adapter));
+
+ /* Now, we do the remaining detection. */
+ company =
+ i2c_smbus_read_byte_data(new_client, THMC50_REG_COMPANY_ID);
+ revision =
+ i2c_smbus_read_byte_data(new_client, THMC50_REG_DIE_CODE);
+
+ if (company == 0x49) {
+ kind = thmc50;
+ dev_dbg(dev, "thmc50.o: Detected THMC50 (version %x, revision %x)\n",
+ (revision >> 4) - 0xc, revision & 0xf);
+ }
+ else if (company == 0x41) {
+ kind = adm1022;
+ dev_dbg(dev, "thmc50.o: Detected ADM1022 (version %x, revision %x)\n",
+ (revision >> 4) - 0xc, revision & 0xf);
+ } else {
+ dev_err(dev, "thmc50.o: Detect of THMC50/ADM1022 failed\n");
+ goto exit_free;
+ }
+
+ /* Determine the chip type - only one kind supported! */
+
+ if (kind == thmc50) {
+ type_name = "thmc50";
+ /* Remove temp3 attributes */
+ thmc50_group.attrs[8] = NULL;
+ thmc50_group.attrs[9] = NULL;
+ thmc50_group.attrs[10] = NULL;
+ } else if (kind == adm1022) {
+ type_name = "adm1022";
+ if (adm1022_temp3_num > 0 && adm1022_temp3) {
+ int id = i2c_adapter_id(new_client->adapter);
+ int i;
+
+ for (i=0; i< adm1022_temp3_num - 1; i+=2) {
+ if (adm1022_temp3[i] == id && adm1022_temp3[i+1] == address)
+ data->config_reg = 0x80;
+ }
+ }
+ }
+ data->type = kind;
+
+ /* Fill in the remaining client fields and put it into the global list */
+ strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
+ data->valid = 0;
+ mutex_init(&data->update_lock);
+
+ /* Tell the I2C layer a new client has arrived */
+ if ((err = i2c_attach_client(new_client)))
+ goto exit_free;
+
+ thmc50_init_client(new_client);
+
+ /* Register sysfs hooks */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &thmc50_group)))
+ goto exit_detach;
+
+ /* Register a new directory entry with module sensors */
+ data->class_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto exit_remove_sysfs;
+ }
+
+ return 0;
+
+exit_remove_sysfs:
+ sysfs_remove_group(&new_client->dev.kobj, &thmc50_group);
+exit_detach:
+ i2c_detach_client(new_client);
+exit_free:
+ kfree(data);
+exit:
+ return err;
+}
+
+static int thmc50_detach_client(struct i2c_client *client)
+{
+ struct thmc50_data *data = i2c_get_clientdata(client);
+ int err;
+
+ hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &thmc50_group);
+
+ if ((err = i2c_detach_client(client)))
+ return err;
+
+ kfree(data);
+
+ return 0;
+}
+
+/* All registers are word-sized, except for the configuration register.
+ THMC50 uses a high-byte first convention, which is exactly opposite to
+ the usual practice. */
+static int thmc50_read_value(struct i2c_client *client, u8 reg)
+{
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+/* All registers are word-sized, except for the configuration register.
+ THMC50 uses a high-byte first convention, which is exactly opposite to
+ the usual practice. */
+static int thmc50_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+ return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static void thmc50_init_client(struct i2c_client *client)
+{
+ struct thmc50_data *data = i2c_get_clientdata(client);
+
+ data->config_reg |= 0x23;
+ thmc50_write_value(client, THMC50_REG_CONF, data->config_reg);
+ data->analog_out = thmc50_read_value(client, THMC50_REG_ANALOG_OUT);
+ /* set up to at least 1 */
+ if (data->analog_out == 0 ) {
+ data->analog_out = 1;
+ thmc50_write_value(client, THMC50_REG_ANALOG_OUT, data->analog_out);
+ }
+}
+
+static struct thmc50_data *thmc50_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct thmc50_data *data = i2c_get_clientdata(client);
+ int timeout = HZ / 5 + (data->type == thmc50 ? HZ : 0);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + timeout)
+ || !data->valid) {
+
+ data->temp_input = thmc50_read_value(client, THMC50_REG_TEMP);
+ data->temp_max =
+ thmc50_read_value(client, THMC50_REG_TEMP_OS);
+ data->temp_hyst =
+ thmc50_read_value(client, THMC50_REG_TEMP_HYST);
+ data->remote_temp_input =
+ thmc50_read_value(client, THMC50_REG_REMOTE_TEMP);
+ data->remote_temp_max =
+ thmc50_read_value(client, THMC50_REG_REMOTE_TEMP_OS);
+ data->remote_temp_hyst =
+ thmc50_read_value(client, THMC50_REG_REMOTE_TEMP_HYST);
+ data->analog_out =
+ thmc50_read_value(client, THMC50_REG_ANALOG_OUT);
+ data->config_reg =
+ thmc50_read_value(client, THMC50_REG_CONF);
+ if (data->type == adm1022) {
+ data->remote_temp2_input =
+ thmc50_read_value(client, ADM1022_REG_REMOTE_TEMP2);
+ data->remote_temp2_max =
+ thmc50_read_value(client, ADM1022_REG_REMOTE_TEMP2_OS);
+ data->remote_temp2_hyst =
+ thmc50_read_value(client, ADM1022_REG_REMOTE_TEMP2_HYST);
+ }
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+static int __init sm_thmc50_init(void)
+{
+ return i2c_add_driver(&thmc50_driver);
+}
+
+static void __exit sm_thmc50_exit(void)
+{
+ i2c_del_driver(&thmc50_driver);
+}
+
+MODULE_AUTHOR
+ ("Frodo Looijaard <frodol@dds.nl> and Philip Edelbrock <phil@netroedge.com>");
+MODULE_DESCRIPTION("THMC50 driver");
+
+module_init(sm_thmc50_init);
+module_exit(sm_thmc50_exit);
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