hwmon/ds1621: Create individual alarm files

[safe/jmp/linux-2.6] / drivers / hwmon / ds1621.c

diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 7ac156a..1212d6b 100644 (file)
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -168,15 +168,29 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *da,
        return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->conf));
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *da,
+                         char *buf)
+{
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+       struct ds1621_data *data = ds1621_update_client(dev);
+       return sprintf(buf, "%d\n", !!(data->conf & attr->index));
+}
+
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp, 1);
 static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, 2);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL,
+               DS1621_ALARM_TEMP_LOW);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL,
+               DS1621_ALARM_TEMP_HIGH);
 
 static struct attribute *ds1621_attributes[] = {
        &sensor_dev_attr_temp1_input.dev_attr.attr,
        &sensor_dev_attr_temp1_min.dev_attr.attr,
        &sensor_dev_attr_temp1_max.dev_attr.attr,
+       &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+       &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
        &dev_attr_alarms.attr,
        NULL
 };