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hwmon: (lm92) Add individual alarm files 

The new libsensors needs these individual alarm files.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
hifive-unleashed-5.1
Jean Delvare 2008-01-06 15:25:52 +01:00 committed by Mark M. Hoffman
parent 101142c37b
commit 6cb59e915d
1 changed files with 15 additions and 1 deletions
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16
drivers/hwmon/lm92.c
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@ -45,6 +45,7 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
@ -209,6 +210,14 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input));
}
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
{
int bitnr = to_sensor_dev_attr(attr)->index;
struct lm92_data *data = lm92_update_device(dev);
return sprintf(buf, "%d\n", (data->temp1_input >> bitnr) & 1);
}
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL);
static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp1_crit,
set_temp1_crit);
@ -221,6 +230,9 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_max,
set_temp1_max);
static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp1_max_hyst, NULL);
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1);
/*
@ -297,7 +309,9 @@ static struct attribute *lm92_attributes[] = {
&dev_attr_temp1_max.attr,
&dev_attr_temp1_max_hyst.attr,
&dev_attr_alarms.attr,
&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
NULL
};