From: Jean Delvare <khali@linux-fr.org>
Date: Sun, 6 Jan 2008 14:25:52 +0000 (+0100)
Subject: hwmon: (lm92) Add individual alarm files
X-Git-Tag: v2.6.25-rc3~94^2~14
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6cb59e915d04f71c62a0ee8fab34de274aa3fe2a;p=linux-2.6

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>
---

diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index af5c77d568..a2b804115c 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -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
 };