2-Channel Temperature Monitor with Dual PWM Fan-Speed Controller Signed-off-by: Roland Stigge <stigge@xxxxxxxxx> diff --git a/Documentation/hwmon/max6639 b/Documentation/hwmon/max6639 new file mode 100644 index 0000000..2352e54 --- /dev/null +++ b/Documentation/hwmon/max6639 @@ -0,0 +1,39 @@ +Kernel driver max6639 +===================== + +Supported chips: + * Maxim MAX6639 + Prefix: 'max6639' + Addresses scanned: I2C 0x2c, 0x2e, 0x2f + Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6639.pdf + +Authors: + He Changqing <hechangqing@xxxxxxxxxxxx> + Roland Stigge <stigge@xxxxxxxxx> + +Description +----------- + +This driver implements support for the Maxim MAX6639. This chip is a 2-channel +temperature monitor with dual PWM fan speed controller. It can monitor its own +temperature and one external diode-connected transistor or two external +diode-connected transistors. + +The following device attributes are implemented via sysfs: + +Attribute R/W Contents +---------------------------------------------------------------------------- +temp1_input R Temperature channel 1 input (0..150 C) +temp2_input R Temperature channel 2 input (0..150 C) +temp1_max RW Set THERM temperature for input 1 (in C, see datasheet) +temp2_max RW Set THERM temperature for input 2 (in C, see datasheet) +temp1_crit RW Set ALERM temperature for input 1 (in C, see datasheet) +temp2_crit RW Set ALARM temperature for input 2 (in C, see datasheet) +temp1_emergency RW Set OT temperature for input 1 (in C, see datasheet) +temp2_emergency RW Set OT temperature for input 2 (in C, see datasheet) +pwm1 RW Fan 1 target duty cycle (0..255) +pwm2 RW Fan 2 target duty cycle (0..255) +fan1_input R TACH1 fan tachometer input (in RPM) +fan2_input R TACH2 fan tachometer input (in RPM) +fan1_div RW Fan 1 divisor (adjust to fan: e.g. 4 pulses per cycle) +fan2_div RW Fan 2 divisor (adjust to fan: e.g. 4 pulses per cycle) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index a56f6ad..8eb116c 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -674,6 +674,16 @@ config SENSORS_MAX1619 This driver can also be built as a module. If so, the module will be called max1619. +config SENSORS_MAX6639 + tristate "Maxim MAX6639 sensor chip" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the MAX6639 + sensor chips. + + This driver can also be built as a module. If so, the module + will be called max6639. + config SENSORS_MAX6650 tristate "Maxim MAX6650 sensor chip" depends on I2C && EXPERIMENTAL diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 2479b3d..a85fa3f 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o obj-$(CONFIG_SENSORS_LTC4261) += ltc4261.o obj-$(CONFIG_SENSORS_MAX1111) += max1111.o obj-$(CONFIG_SENSORS_MAX1619) += max1619.o +obj-$(CONFIG_SENSORS_MAX6639) += max6639.o obj-$(CONFIG_SENSORS_MAX6650) += max6650.o obj-$(CONFIG_SENSORS_MC13783_ADC)+= mc13783-adc.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c new file mode 100644 index 0000000..266a3c0 --- /dev/null +++ b/drivers/hwmon/max6639.c @@ -0,0 +1,537 @@ +/* + * max6639.c - Support for Maxim MAX6639 + * + * 2-Channel Temperature Monitor with Dual PWM Fan-Speed Controller + * + * Copyright (C) 1998, 1999 Frodo Looijaard <frodol@xxxxxx> + * and Philip Edelbrock <phil@xxxxxxxxxxxxx> + * Copyright (C) 2010 He Changqing <hechangqing@xxxxxxxxxxxx> + * Copyright (C) 2010, 2011 Roland Stigge <stigge@xxxxxxxxx> + * + * Ported to Linux 2.6 by Tiago Sousa <mirage@xxxxxxxxxx> + * Ported to Linux 2.6.37 by Roland Stigge <stigge@xxxxxxxxx> + * + * 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/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2e, 0x2f, I2C_CLIENT_END }; + +/* The MAX6639 registers, valid channel numbers: 0, 1 */ +#define MAX6639_REG_ +#define MAX6639_REG_TEMP(ch) (0x00 + ch) +#define MAX6639_REG_STATUS 0x02 +#define MAX6639_REG_OUTPUT_MASK 0x03 +#define MAX6639_REG_GCONFIG 0x04 +#define MAX6639_REG_TEMP_EXT(ch) (0x05 + ch) +#define MAX6639_REG_ALERT_LIMIT(ch) (0x08 + ch) +#define MAX6639_REG_OT_LIMIT(ch) (0x0A + ch) +#define MAX6639_REG_THERM_LIMIT(ch) (0x0C + ch) +#define MAX6639_REG_FAN_CONFIG1(ch) (0x10 + ch * 4) +#define MAX6639_REG_FAN_CONFIG2a(ch) (0x11 + ch * 4) +#define MAX6639_REG_FAN_CONFIG2b(ch) (0x12 + ch * 4) +#define MAX6639_REG_FAN_CONFIG3(ch) (0x13 + ch * 4) +#define MAX6639_REG_FAN_CNT(ch) (0x20 + ch) +#define MAX6639_REG_TARGET_CNT(ch) (0x22 + ch) +#define MAX6639_REG_FAN_PPR(ch) (0x24 + ch) +#define MAX6639_REG_TARGTDUTY(ch) (0x26 + ch) +#define MAX6639_REG_FAN_START_TEMP(ch) (0x28 + ch) +#define MAX6639_REG_DEVID 0x3D +#define MAX6639_REG_MANUID 0x3E +#define MAX6639_REG_DEVREV 0x3F + +/* Register bits */ +#define MAX6639_GCONFIG_STANDBY 0x80 +#define MAX6639_GCONFIG_POR 0x40 +#define MAX6639_GCONFIG_DISABLE_TIMEOUT 0x20 +#define MAX6639_GCONFIG_CH2_LOCAL 0x10 + +#define MAX6639_FAN_CONFIG1_PWM 0x80 + +#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ + (val) == 255 ? 0 : (4000 * 30) / ((div) * (val))) +#define TEMP_LIMIT_TO_REG(val) \ + SENSORS_LIMIT((val) < 0 ? \ + ((val) - 500) / 1000 : ((val) + 500) / 1000, 0, 255) + +/* + * Client data (each client gets its own) + */ +struct max6639_data { + struct device *hwmon_dev; + struct mutex update_lock; + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + u16 temp[2]; /* Temperature, in 1/8 C, 0..255 C */ + u8 temp_therm[2]; /* THERM Temperature, 0..255 C (->_max) */ + u8 temp_alert[2]; /* ALERT Temperature, 0..255 C (->_crit) */ + u8 temp_ot[2]; /* OT Temperature, 0..255 C (->_emergency) */ + u8 pwm[2]; /* Register value: Duty cycle 0..120 */ + u8 fan[2]; /* Register value: TACH count for fans: >=30 */ + u8 fan_div[2]; /* Speed divisor: 1, 2, 4, ... */ +}; + +static int max6639_read_value(struct i2c_client *client, u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} + +static int max6639_write_value(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static struct max6639_data *max6639_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct max6639_data *data = i2c_get_clientdata(client); + int i; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { + dev_dbg(&client->dev, "Starting max6639 update\n"); + + for (i = 0; i < 2; i++) { + data->fan[i] = max6639_read_value(client, + MAX6639_REG_FAN_CNT(i)); + data->temp[i] = (max6639_read_value(client, + MAX6639_REG_TEMP_EXT(i)) >> 5) + | (max6639_read_value(client, + MAX6639_REG_TEMP(i)) << 3); + data->temp_therm[i] = max6639_read_value(client, + MAX6639_REG_THERM_LIMIT(i)); + data->temp_alert[i] = max6639_read_value(client, + MAX6639_REG_ALERT_LIMIT(i)); + data->temp_ot[i] = max6639_read_value(client, + MAX6639_REG_OT_LIMIT(i)); + data->pwm[i] = max6639_read_value(client, + MAX6639_REG_TARGTDUTY(i)); + } + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; +} + +#define show_temp_input(suffix) \ +static ssize_t show_temp_input##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + long temp;\ + struct max6639_data *data = max6639_update_device(dev); \ + temp = data->temp[suffix - 1] * 125;\ + return sprintf(buf, "%ld\n", temp); \ +} +show_temp_input(1); +show_temp_input(2); + +#define show_temp_max(suffix) \ +static ssize_t show_temp_max##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", (data->temp_therm[suffix - 1] * 1000)); \ +} +show_temp_max(1); +show_temp_max(2); + +#define set_temp_max(suffix) \ +static ssize_t set_temp_max##suffix(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct max6639_data *data = i2c_get_clientdata(client); \ + long val; \ + int res; \ +\ + res = strict_strtoul(buf, 10, &val); \ + if (res) \ + return res; \ +\ + mutex_lock(&data->update_lock); \ + data->temp_therm[suffix - 1] = TEMP_LIMIT_TO_REG(val); \ + max6639_write_value(client, MAX6639_REG_THERM_LIMIT(suffix - 1), \ + data->temp_therm[suffix - 1]); \ + mutex_unlock(&data->update_lock); \ + return count; \ +} +set_temp_max(1); +set_temp_max(2); + +#define show_temp_crit(suffix) \ +static ssize_t show_temp_crit##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", (data->temp_alert[suffix - 1] * 1000)); \ +} +show_temp_crit(1); +show_temp_crit(2); + +#define set_temp_crit(suffix) \ +static ssize_t set_temp_crit##suffix(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct max6639_data *data = i2c_get_clientdata(client); \ + long val; \ + int res; \ +\ + res = strict_strtoul(buf, 10, &val); \ + if (res) \ + return res; \ +\ + mutex_lock(&data->update_lock); \ + data->temp_alert[suffix - 1] = TEMP_LIMIT_TO_REG(val); \ + max6639_write_value(client, MAX6639_REG_THERM_LIMIT(suffix - 1), \ + data->temp_alert[suffix - 1]); \ + mutex_unlock(&data->update_lock); \ + return count; \ +} +set_temp_crit(1); +set_temp_crit(2); + +#define show_temp_emergency(suffix) \ +static ssize_t show_temp_emergency##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", (data->temp_ot[suffix - 1] * 1000)); \ +} +show_temp_emergency(1); +show_temp_emergency(2); + +#define set_temp_emergency(suffix) \ +static ssize_t set_temp_emergency##suffix(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct max6639_data *data = i2c_get_clientdata(client); \ + long val; \ + int res; \ +\ + res = strict_strtoul(buf, 10, &val); \ + if (res) \ + return res; \ +\ + mutex_lock(&data->update_lock); \ + data->temp_ot[suffix - 1] = TEMP_LIMIT_TO_REG(val); \ + max6639_write_value(client, MAX6639_REG_THERM_LIMIT(suffix - 1), \ + data->temp_ot[suffix - 1]); \ + mutex_unlock(&data->update_lock); \ + return count; \ +} +set_temp_emergency(1); +set_temp_emergency(2); + +#define show_pwm(suffix) \ +static ssize_t show_pwm##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", data->pwm[suffix - 1] * 255 / 120); \ +} +show_pwm(1); +show_pwm(2); + +#define set_pwm(suffix) \ +static ssize_t set_pwm##suffix(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct max6639_data *data = i2c_get_clientdata(client); \ + long val; \ + int res; \ +\ + res = strict_strtoul(buf, 10, &val); \ + if (res) \ + return res; \ +\ + mutex_lock(&data->update_lock); \ + data->pwm[suffix - 1] = (u8)(val * 120 / 255); \ + max6639_write_value(client, MAX6639_REG_TARGTDUTY(suffix - 1), \ + data->pwm[suffix - 1]); \ + mutex_unlock(&data->update_lock); \ + return count; \ +} +set_pwm(1); +set_pwm(2); + +#define show_fan_input(suffix) \ +static ssize_t show_fan_input##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[suffix - 1], \ + data->fan_div[suffix - 1])); \ +} +show_fan_input(1); +show_fan_input(2); + +#define show_fan_div(suffix) \ +static ssize_t show_fan_div##suffix(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct max6639_data *data = max6639_update_device(dev); \ + return sprintf(buf, "%d\n", (int)(data->fan_div[suffix - 1])); \ +} +show_fan_div(1); +show_fan_div(2); + +#define set_fan_div(suffix) \ +static ssize_t set_fan_div##suffix(struct device *dev, \ + struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct max6639_data *data = i2c_get_clientdata(client); \ + long val; \ + int res; \ +\ + res = strict_strtoul(buf, 10, &val); \ + if (res) \ + return res; \ +\ + mutex_lock(&data->update_lock); \ + data->fan_div[suffix - 1] = (u8) val; \ + mutex_unlock(&data->update_lock); \ + return count; \ +} +set_fan_div(1); +set_fan_div(2); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL, 6); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL, 7); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max1, + set_temp_max1, 8); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max2, + set_temp_max2, 10); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_crit1, + set_temp_crit1, 8); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2, + set_temp_crit2, 10); +static SENSOR_DEVICE_ATTR(temp1_emergency, S_IWUSR | S_IRUGO, + show_temp_emergency1, set_temp_emergency1, 8); +static SENSOR_DEVICE_ATTR(temp2_emergency, S_IWUSR | S_IRUGO, + show_temp_emergency2, set_temp_emergency2, 10); +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1, 2); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm2, set_pwm2, 3); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input1, NULL, 4); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input2, NULL, 5); +static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div1, + set_fan_div1, 0); +static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div2, + set_fan_div2, 1); + +static struct attribute *max6639_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &sensor_dev_attr_temp1_emergency.dev_attr.attr, + &sensor_dev_attr_temp2_emergency.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan2_div.dev_attr.attr, + NULL +}; + +static const struct attribute_group max6639_group = { + .attrs = max6639_attributes, +}; + +/* Called when we have found a new max6639. */ +static void max6639_init_client(struct i2c_client *client) +{ + int i; + + /* Reset chip to default values */ + max6639_write_value(client, MAX6639_REG_GCONFIG, MAX6639_GCONFIG_POR); + + for (i = 0; i < 2; i++) { + /* Fans config 4000 RPM, PWM */ + max6639_write_value(client, MAX6639_REG_FAN_CONFIG1(i), + MAX6639_FAN_CONFIG1_PWM | 0x01); + /* Fans pulse per revolution is 2 */ + max6639_write_value(client, MAX6639_REG_FAN_PPR(i), 0x40); + /* Fans PWM polarity high */ + max6639_write_value(client, MAX6639_REG_FAN_CONFIG2a(i), 0x02); + /* Max. temp. 80C */ + max6639_write_value(client, MAX6639_REG_THERM_LIMIT(i), 80); + /* PWM 120/120 (i.e. 100%) */ + max6639_write_value(client, MAX6639_REG_TARGTDUTY(i), 120); + } + /* Start monitoring */ + max6639_write_value(client, MAX6639_REG_GCONFIG, + MAX6639_GCONFIG_DISABLE_TIMEOUT | MAX6639_GCONFIG_CH2_LOCAL); +} + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int max6639_detect(struct i2c_client *client, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + int dev_id, manu_id; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + /* Actual detection via device and manufacturer ID */ + dev_id = max6639_read_value(client, MAX6639_REG_DEVID); + manu_id = max6639_read_value(client, MAX6639_REG_MANUID); + if (dev_id != 0x58 || manu_id != 0x4D) { + printk(KERN_ERR "Bad DevId/ManuID: 0x%02x/0x%02x!\n", dev_id, + manu_id); + return -ENODEV; + } + + strlcpy(info->type, "max6639", I2C_NAME_SIZE); + + return 0; +} + +static int max6639_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct max6639_data *data; + int err; + + data = kzalloc(sizeof(struct max6639_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + + /* Initialize the max6639 chip */ + max6639_init_client(client); + + data->fan_div[0] = 1; + data->fan_div[1] = 1; + + /* Register sysfs hooks */ + err = sysfs_create_group(&client->dev.kobj, &max6639_group); + if (err) + goto error_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto error_remove; + } + return 0; + +error_remove: + sysfs_remove_group(&client->dev.kobj, &max6639_group); +error_free: + kfree(data); +exit: + return err; +} + +static int max6639_remove(struct i2c_client *client) +{ + struct max6639_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &max6639_group); + + kfree(data); + return 0; +} + +static int max6639_suspend(struct i2c_client *client, pm_message_t mesg) +{ + int data = max6639_read_value(client, MAX6639_REG_GCONFIG); + if (data < 0) + return data; + + return max6639_write_value(client, + MAX6639_REG_GCONFIG, data | MAX6639_GCONFIG_STANDBY); +} + +static int max6639_resume(struct i2c_client *client) +{ + int data = max6639_read_value(client, MAX6639_REG_GCONFIG); + if (data < 0) + return data; + + return max6639_write_value(client, + MAX6639_REG_GCONFIG, data & ~MAX6639_GCONFIG_STANDBY); +} + +static const struct i2c_device_id max6639_id[] = { + {"max6639", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, max6639_id); + +static struct i2c_driver max6639_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "max6639", + }, + .probe = max6639_probe, + .remove = max6639_remove, + .suspend = max6639_suspend, + .resume = max6639_resume, + .id_table = max6639_id, + .detect = max6639_detect, + .address_list = normal_i2c, +}; + +static int __init sensors_max6639_init(void) +{ + return i2c_add_driver(&max6639_driver); +} + +static void __exit sensors_max6639_exit(void) +{ + i2c_del_driver(&max6639_driver); +} + +MODULE_AUTHOR("Roland Stigge <stigge@xxxxxxxxx>"); +MODULE_DESCRIPTION("max6639 driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_max6639_init); +module_exit(sensors_max6639_exit); _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
