hwmon: (smsc47m1) 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>

1 files changed, 22 insertions, 3 deletions

diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index 0d7f0c4d06bb..d1b498548736 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -198,6 +198,14 @@ static ssize_t get_fan_div(struct device *dev, struct device_attribute
         return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
 }
 
+static ssize_t get_fan_alarm(struct device *dev, struct device_attribute
+                             *devattr, char *buf)
+{
+        int bitnr = to_sensor_dev_attr(devattr)->index;
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
 static ssize_t get_pwm(struct device *dev, struct device_attribute
                        *devattr, char *buf)
 {
@@ -347,6 +355,8 @@ static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,		\
                 get_fan_min, set_fan_min, offset - 1);                  \
 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,         \
                 get_fan_div, set_fan_div, offset - 1);                  \
+static SENSOR_DEVICE_ATTR(fan##offset##_alarm, S_IRUGO, get_fan_alarm,  \
+                NULL, offset - 1);                                      \
 static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,               \
                 get_pwm, set_pwm, offset - 1);                          \
 static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,      \
@@ -374,12 +384,15 @@ static struct attribute *smsc47m1_attributes[] = {
         &sensor_dev_attr_fan1_input.dev_attr.attr,
         &sensor_dev_attr_fan1_min.dev_attr.attr,
         &sensor_dev_attr_fan1_div.dev_attr.attr,
+        &sensor_dev_attr_fan1_alarm.dev_attr.attr,
         &sensor_dev_attr_fan2_input.dev_attr.attr,
         &sensor_dev_attr_fan2_min.dev_attr.attr,
         &sensor_dev_attr_fan2_div.dev_attr.attr,
+        &sensor_dev_attr_fan2_alarm.dev_attr.attr,
         &sensor_dev_attr_fan3_input.dev_attr.attr,
         &sensor_dev_attr_fan3_min.dev_attr.attr,
         &sensor_dev_attr_fan3_div.dev_attr.attr,
+        &sensor_dev_attr_fan3_alarm.dev_attr.attr,
 
         &sensor_dev_attr_pwm1.dev_attr.attr,
         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
@@ -533,7 +546,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev)
                  || (err = device_create_file(dev,
                                 &sensor_dev_attr_fan1_min.dev_attr))
                  || (err = device_create_file(dev,
-                                &sensor_dev_attr_fan1_div.dev_attr)))
+                                &sensor_dev_attr_fan1_div.dev_attr))
+                 || (err = device_create_file(dev,
+                                &sensor_dev_attr_fan1_alarm.dev_attr)))
                         goto error_remove_files;
         } else
                 dev_dbg(dev, "Fan 1 not enabled by hardware, skipping\n");
@@ -544,7 +559,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev)
                  || (err = device_create_file(dev,
                                 &sensor_dev_attr_fan2_min.dev_attr))
                  || (err = device_create_file(dev,
-                                &sensor_dev_attr_fan2_div.dev_attr)))
+                                &sensor_dev_attr_fan2_div.dev_attr))
+                 || (err = device_create_file(dev,
+                                &sensor_dev_attr_fan2_alarm.dev_attr)))
                         goto error_remove_files;
         } else
                 dev_dbg(dev, "Fan 2 not enabled by hardware, skipping\n");
@@ -555,7 +572,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev)
                  || (err = device_create_file(dev,
                                 &sensor_dev_attr_fan3_min.dev_attr))
                  || (err = device_create_file(dev,
-                                &sensor_dev_attr_fan3_div.dev_attr)))
+                                &sensor_dev_attr_fan3_div.dev_attr))
+                 || (err = device_create_file(dev,
+                                &sensor_dev_attr_fan3_alarm.dev_attr)))
                         goto error_remove_files;
         } else if (data->type == smsc47m2)
                 dev_dbg(dev, "Fan 3 not enabled by hardware, skipping\n");