[PATCH] hwmon: adm9240 driver update - dynamic sysfs
hwmon: adm9240 update 2/2: convert to use dynamic sysfs accessors This patch converts adm9240 to use Yani Ioannou's dynamic sysfs callbacks, reducing driver memory footprint from 16312 to 14104 bytes on 2.6.14-rc1, removing the old driver macro mess. Run tested on Intel SE440BX-2 mobo. Signed-off-by: Grant Coady <gcoady@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>hifive-unleashed-5.1
Grant Coady
Greg Kroah-Hartman
parent
205cf13e0b
commit
c7461a6652
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@ -45,6 +45,7 @@
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-vid.h>
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#include <linux/err.h>
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@ -69,8 +70,7 @@ I2C_CLIENT_INSMOD_3(adm9240, ds1780, lm81);
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#define ADM9240_REG_INT(nr) (0x41 + (nr))
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#define ADM9240_REG_INT_MASK(nr) (0x43 + (nr))
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#define ADM9240_REG_TEMP 0x27
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#define ADM9240_REG_TEMP_HIGH 0x39
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#define ADM9240_REG_TEMP_HYST 0x3a
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#define ADM9240_REG_TEMP_MAX(nr) (0x39 + (nr)) /* 0, 1 = high, hyst */
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#define ADM9240_REG_ANALOG_OUT 0x19
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#define ADM9240_REG_CHASSIS_CLEAR 0x46
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#define ADM9240_REG_VID_FAN_DIV 0x47
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@ -162,8 +162,7 @@ struct adm9240_data {
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u8 fan_min[2]; /* rw fan1_min */
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u8 fan_div[2]; /* rw fan1_div, read-only accessor */
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s16 temp; /* ro temp1_input, 9-bit sign-extended */
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s8 temp_high; /* rw temp1_max */
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s8 temp_hyst; /* rw temp1_max_hyst */
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s8 temp_max[2]; /* rw 0 -> temp_max, 1 -> temp_max_hyst */
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u16 alarms; /* ro alarms */
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u8 aout; /* rw aout_output */
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u8 vid; /* ro vid */
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@ -173,157 +172,143 @@ struct adm9240_data {
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/*** sysfs accessors ***/
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/* temperature */
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#define show_temp(value, scale) \
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static ssize_t show_##value(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct adm9240_data *data = adm9240_update_device(dev); \
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return sprintf(buf, "%d\n", data->value * scale); \
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}
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show_temp(temp_high, 1000);
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show_temp(temp_hyst, 1000);
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show_temp(temp, 500); /* 0.5'C per bit */
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#define set_temp(value, reg) \
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static ssize_t set_##value(struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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struct i2c_client *client = to_i2c_client(dev); \
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struct adm9240_data *data = adm9240_update_device(dev); \
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long temp = simple_strtoul(buf, NULL, 10); \
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\
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down(&data->update_lock); \
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data->value = TEMP_TO_REG(temp); \
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i2c_smbus_write_byte_data(client, reg, data->value); \
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up(&data->update_lock); \
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return count; \
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static ssize_t show_temp(struct device *dev, struct device_attribute *dummy,
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char *buf)
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{
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", data->temp * 500); /* 9-bit value */
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}
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set_temp(temp_high, ADM9240_REG_TEMP_HIGH);
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set_temp(temp_hyst, ADM9240_REG_TEMP_HYST);
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static ssize_t show_max(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", data->temp_max[attr->index] * 1000);
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}
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static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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struct adm9240_data *data = i2c_get_clientdata(client);
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long val = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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data->temp_max[attr->index] = TEMP_TO_REG(val);
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i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
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data->temp_max[attr->index]);
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up(&data->update_lock);
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return count;
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}
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static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
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show_temp_high, set_temp_high);
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static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
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show_temp_hyst, set_temp_hyst);
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static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
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static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
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show_max, set_max, 0);
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static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
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show_max, set_max, 1);
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/* voltage */
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static ssize_t show_in(struct device *dev, char *buf, int nr)
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static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index],
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attr->index));
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}
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static ssize_t show_in_min(struct device *dev, char *buf, int nr)
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static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index],
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attr->index));
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}
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static ssize_t show_in_max(struct device *dev, char *buf, int nr)
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static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index],
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attr->index));
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}
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static ssize_t set_in_min(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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struct adm9240_data *data = i2c_get_clientdata(client);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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down(&data->update_lock);
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data->in_min[nr] = IN_TO_REG(val, nr);
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i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(nr),
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data->in_min[nr]);
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data->in_min[attr->index] = IN_TO_REG(val, attr->index);
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i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
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data->in_min[attr->index]);
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up(&data->update_lock);
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return count;
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}
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static ssize_t set_in_max(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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struct adm9240_data *data = i2c_get_clientdata(client);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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down(&data->update_lock);
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data->in_max[nr] = IN_TO_REG(val, nr);
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i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(nr),
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data->in_max[nr]);
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data->in_max[attr->index] = IN_TO_REG(val, attr->index);
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i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
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data->in_max[attr->index]);
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up(&data->update_lock);
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return count;
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}
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#define show_in_offset(offset) \
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static ssize_t show_in##offset(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_in(dev, buf, offset); \
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} \
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static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); \
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static ssize_t show_in##offset##_min(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_in_min(dev, buf, offset); \
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} \
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static ssize_t show_in##offset##_max(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_in_max(dev, buf, offset); \
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} \
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static ssize_t \
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set_in##offset##_min(struct device *dev, \
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struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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return set_in_min(dev, buf, count, offset); \
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} \
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static ssize_t \
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set_in##offset##_max(struct device *dev, \
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struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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return set_in_max(dev, buf, count, offset); \
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} \
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static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
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show_in##offset##_min, set_in##offset##_min); \
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static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
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show_in##offset##_max, set_in##offset##_max);
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#define vin(nr) \
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static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
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show_in, NULL, nr); \
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static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR, \
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show_in_min, set_in_min, nr); \
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static SENSOR_DEVICE_ATTR(in##nr##_max, S_IRUGO | S_IWUSR, \
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show_in_max, set_in_max, nr);
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show_in_offset(0);
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show_in_offset(1);
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show_in_offset(2);
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show_in_offset(3);
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show_in_offset(4);
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show_in_offset(5);
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vin(0);
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vin(1);
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vin(2);
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vin(3);
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vin(4);
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vin(5);
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/* fans */
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static ssize_t show_fan(struct device *dev, char *buf, int nr)
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static ssize_t show_fan(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
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1 << data->fan_div[nr]));
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return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index],
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1 << data->fan_div[attr->index]));
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}
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static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
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static ssize_t show_fan_min(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
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1 << data->fan_div[nr]));
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return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[attr->index],
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1 << data->fan_div[attr->index]));
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}
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static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
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static ssize_t show_fan_div(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct adm9240_data *data = adm9240_update_device(dev);
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return sprintf(buf, "%d\n", 1 << data->fan_div[nr]);
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return sprintf(buf, "%d\n", 1 << data->fan_div[attr->index]);
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}
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/* write new fan div, callers must hold data->update_lock */
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@ -352,12 +337,15 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr,
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* - otherwise: select fan clock divider to suit fan speed low limit,
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* measurement code may adjust registers to ensure fan speed reading
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*/
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static ssize_t set_fan_min(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_fan_min(struct device *dev,
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struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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struct adm9240_data *data = i2c_get_clientdata(client);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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int nr = attr->index;
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u8 new_div;
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down(&data->update_lock);
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@ -404,40 +392,16 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
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return count;
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}
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#define show_fan_offset(offset) \
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static ssize_t show_fan_##offset (struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_fan(dev, buf, offset - 1); \
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} \
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static ssize_t show_fan_##offset##_div (struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_fan_div(dev, buf, offset - 1); \
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} \
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static ssize_t show_fan_##offset##_min (struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return show_fan_min(dev, buf, offset - 1); \
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} \
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static ssize_t set_fan_##offset##_min (struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_fan_min(dev, buf, count, offset - 1); \
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} \
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static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
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show_fan_##offset, NULL); \
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static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
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show_fan_##offset##_div, NULL); \
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static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
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show_fan_##offset##_min, set_fan_##offset##_min);
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#define fan(nr) \
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static SENSOR_DEVICE_ATTR(fan##nr##_input, S_IRUGO, \
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show_fan, NULL, nr - 1); \
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static SENSOR_DEVICE_ATTR(fan##nr##_div, S_IRUGO, \
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show_fan_div, NULL, nr - 1); \
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static SENSOR_DEVICE_ATTR(fan##nr##_min, S_IRUGO | S_IWUSR, \
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show_fan_min, set_fan_min, nr - 1);
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show_fan_offset(1);
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show_fan_offset(2);
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fan(1);
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fan(2);
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/* alarms */
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static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
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@ -580,33 +544,59 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
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goto exit_detach;
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}
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device_create_file(&new_client->dev, &dev_attr_in0_input);
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device_create_file(&new_client->dev, &dev_attr_in0_min);
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device_create_file(&new_client->dev, &dev_attr_in0_max);
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device_create_file(&new_client->dev, &dev_attr_in1_input);
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device_create_file(&new_client->dev, &dev_attr_in1_min);
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device_create_file(&new_client->dev, &dev_attr_in1_max);
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device_create_file(&new_client->dev, &dev_attr_in2_input);
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device_create_file(&new_client->dev, &dev_attr_in2_min);
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device_create_file(&new_client->dev, &dev_attr_in2_max);
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device_create_file(&new_client->dev, &dev_attr_in3_input);
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device_create_file(&new_client->dev, &dev_attr_in3_min);
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device_create_file(&new_client->dev, &dev_attr_in3_max);
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device_create_file(&new_client->dev, &dev_attr_in4_input);
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device_create_file(&new_client->dev, &dev_attr_in4_min);
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device_create_file(&new_client->dev, &dev_attr_in4_max);
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device_create_file(&new_client->dev, &dev_attr_in5_input);
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device_create_file(&new_client->dev, &dev_attr_in5_min);
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device_create_file(&new_client->dev, &dev_attr_in5_max);
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device_create_file(&new_client->dev, &dev_attr_temp1_max);
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device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
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device_create_file(&new_client->dev,
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&sensor_dev_attr_in0_input.dev_attr);
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device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in0_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in0_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in1_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in1_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in1_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in2_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in2_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in2_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in3_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in3_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in3_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in4_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in4_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in4_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in5_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in5_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_in5_max.dev_attr);
|
||||
device_create_file(&new_client->dev, &dev_attr_temp1_input);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan1_input);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan1_div);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan1_min);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan2_input);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan2_div);
|
||||
device_create_file(&new_client->dev, &dev_attr_fan2_min);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_temp1_max.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_temp1_max_hyst.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan1_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan1_div.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan1_min.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan2_input.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan2_div.dev_attr);
|
||||
device_create_file(&new_client->dev,
|
||||
&sensor_dev_attr_fan2_min.dev_attr);
|
||||
device_create_file(&new_client->dev, &dev_attr_alarms);
|
||||
device_create_file(&new_client->dev, &dev_attr_aout_output);
|
||||
device_create_file(&new_client->dev, &dev_attr_chassis_clear);
|
||||
|
|
@ -674,9 +664,9 @@ static void adm9240_init_client(struct i2c_client *client)
|
|||
i2c_smbus_write_byte_data(client,
|
||||
ADM9240_REG_FAN_MIN(1), 255);
|
||||
i2c_smbus_write_byte_data(client,
|
||||
ADM9240_REG_TEMP_HIGH, 127);
|
||||
ADM9240_REG_TEMP_MAX(0), 127);
|
||||
i2c_smbus_write_byte_data(client,
|
||||
ADM9240_REG_TEMP_HYST, 127);
|
||||
ADM9240_REG_TEMP_MAX(1), 127);
|
||||
|
||||
/* start measurement cycle */
|
||||
i2c_smbus_write_byte_data(client, ADM9240_REG_CONFIG, 1);
|
||||
|
|
@ -753,10 +743,10 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
|
|||
data->fan_min[i] = i2c_smbus_read_byte_data(client,
|
||||
ADM9240_REG_FAN_MIN(i));
|
||||
}
|
||||
data->temp_high = i2c_smbus_read_byte_data(client,
|
||||
ADM9240_REG_TEMP_HIGH);
|
||||
data->temp_hyst = i2c_smbus_read_byte_data(client,
|
||||
ADM9240_REG_TEMP_HYST);
|
||||
data->temp_max[0] = i2c_smbus_read_byte_data(client,
|
||||
ADM9240_REG_TEMP_MAX(0));
|
||||
data->temp_max[1] = i2c_smbus_read_byte_data(client,
|
||||
ADM9240_REG_TEMP_MAX(1));
|
||||
|
||||
/* read fan divs and 5-bit VID */
|
||||
i = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV);
|
||||
|
|
|
|||
Loading…
Reference in New Issue