fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / hwmon / lm63.c

diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 071f0fc..d69f3cf 100644 (file)
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -1,7 +1,7 @@
 /*
  * lm63.c - driver for the National Semiconductor LM63 temperature sensor
  *          with integrated fan control
- * Copyright (C) 2004-2005  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2004-2006  Jean Delvare <khali@linux-fr.org>
  * Based on the lm90 driver.
  *
  * The LM63 is a sensor chip made by National Semiconductor. It measures
@@ -46,6 +46,7 @@
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/sysfs.h>
 
 /*
  * Addresses to scan
@@ -330,6 +331,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy,
        return sprintf(buf, "%u\n", data->alarms);
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *devattr,
+                         char *buf)
+{
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+       struct lm63_data *data = lm63_update_device(dev);
+       int bitnr = attr->index;
+
+       return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
 static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan,
        set_fan, 1);
@@ -350,8 +361,52 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp8, NULL, 2);
 static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp2_crit_hyst,
        set_temp2_crit_hyst);
 
+/* Individual alarm files */
+static SENSOR_DEVICE_ATTR(fan1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
+/* Raw alarm file for compatibility */
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
+static struct attribute *lm63_attributes[] = {
+       &dev_attr_pwm1.attr,
+       &dev_attr_pwm1_enable.attr,
+       &sensor_dev_attr_temp1_input.dev_attr.attr,
+       &sensor_dev_attr_temp2_input.dev_attr.attr,
+       &sensor_dev_attr_temp2_min.dev_attr.attr,
+       &sensor_dev_attr_temp1_max.dev_attr.attr,
+       &sensor_dev_attr_temp2_max.dev_attr.attr,
+       &sensor_dev_attr_temp2_crit.dev_attr.attr,
+       &dev_attr_temp2_crit_hyst.attr,
+
+       &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+       &sensor_dev_attr_temp2_input_fault.dev_attr.attr,
+       &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+       &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+       &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+       &dev_attr_alarms.attr,
+       NULL
+};
+
+static const struct attribute_group lm63_group = {
+       .attrs = lm63_attributes,
+};
+
+static struct attribute *lm63_attributes_fan1[] = {
+       &sensor_dev_attr_fan1_input.dev_attr.attr,
+       &sensor_dev_attr_fan1_min.dev_attr.attr,
+
+       &sensor_dev_attr_fan1_min_alarm.dev_attr.attr,
+       NULL
+};
+
+static const struct attribute_group lm63_group_fan1 = {
+       .attrs = lm63_attributes_fan1,
+};
+
 /*
  * Real code
  */
@@ -438,37 +493,26 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
        lm63_init_client(new_client);
 
        /* Register sysfs hooks */
-       data->class_dev = hwmon_device_register(&new_client->dev);
-       if (IS_ERR(data->class_dev)) {
-               err = PTR_ERR(data->class_dev);
+       if ((err = sysfs_create_group(&new_client->dev.kobj,
+                                     &lm63_group)))
                goto exit_detach;
+       if (data->config & 0x04) { /* tachometer enabled */
+               if ((err = sysfs_create_group(&new_client->dev.kobj,
+                                             &lm63_group_fan1)))
+                       goto exit_remove_files;
        }
 
-       if (data->config & 0x04) { /* tachometer enabled */
-               device_create_file(&new_client->dev,
-                                  &sensor_dev_attr_fan1_input.dev_attr);
-               device_create_file(&new_client->dev,
-                                  &sensor_dev_attr_fan1_min.dev_attr);
+       data->class_dev = hwmon_device_register(&new_client->dev);
+       if (IS_ERR(data->class_dev)) {
+               err = PTR_ERR(data->class_dev);
+               goto exit_remove_files;
        }
-       device_create_file(&new_client->dev, &dev_attr_pwm1);
-       device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp1_input.dev_attr);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp2_input.dev_attr);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp2_min.dev_attr);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp1_max.dev_attr);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp2_max.dev_attr);
-       device_create_file(&new_client->dev,
-                          &sensor_dev_attr_temp2_crit.dev_attr);
-       device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst);
-       device_create_file(&new_client->dev, &dev_attr_alarms);
 
        return 0;
 
+exit_remove_files:
+       sysfs_remove_group(&new_client->dev.kobj, &lm63_group);
+       sysfs_remove_group(&new_client->dev.kobj, &lm63_group_fan1);
 exit_detach:
        i2c_detach_client(new_client);
 exit_free:
@@ -518,6 +562,8 @@ static int lm63_detach_client(struct i2c_client *client)
        int err;
 
        hwmon_device_unregister(data->class_dev);
+       sysfs_remove_group(&client->dev.kobj, &lm63_group);
+       sysfs_remove_group(&client->dev.kobj, &lm63_group_fan1);
 
        if ((err = i2c_detach_client(client)))
                return err;