[PATCH] x86-64: Include build number in oops output
[pandora-kernel.git] / drivers / hwmon / ds1621.c
index 5360d58..b0199e0 100644 (file)
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
 #include "lm75.h"
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
                                        0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
-SENSORS_INSMOD_1(ds1621);
+I2C_CLIENT_INSMOD_1(ds1621);
 static int polarity = -1;
 module_param(polarity, int, 0);
 MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low");
@@ -71,6 +71,7 @@ MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low")
 /* Each client has this additional data */
 struct ds1621_data {
        struct i2c_client client;
+       struct class_device *class_dev;
        struct semaphore update_lock;
        char valid;                     /* !=0 if following fields are valid */
        unsigned long last_updated;     /* In jiffies */
@@ -179,10 +180,10 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
 
 static int ds1621_attach_adapter(struct i2c_adapter *adapter)
 {
-       return i2c_detect(adapter, &addr_data, ds1621_detect);
+       return i2c_probe(adapter, &addr_data, ds1621_detect);
 }
 
-/* This function is called by i2c_detect */
+/* This function is called by i2c_probe */
 int ds1621_detect(struct i2c_adapter *adapter, int address,
                   int kind)
 {
@@ -250,6 +251,12 @@ int ds1621_detect(struct i2c_adapter *adapter, int address,
        ds1621_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);
+               goto exit_detach;
+       }
+
        device_create_file(&new_client->dev, &dev_attr_alarms);
        device_create_file(&new_client->dev, &dev_attr_temp1_input);
        device_create_file(&new_client->dev, &dev_attr_temp1_min);
@@ -259,6 +266,8 @@ int ds1621_detect(struct i2c_adapter *adapter, int address,
 
 /* OK, this is not exactly good programming practice, usually. But it is
    very code-efficient in this case. */
+      exit_detach:
+       i2c_detach_client(new_client);
       exit_free:
        kfree(data);
       exit:
@@ -267,15 +276,15 @@ int ds1621_detect(struct i2c_adapter *adapter, int address,
 
 static int ds1621_detach_client(struct i2c_client *client)
 {
+       struct ds1621_data *data = i2c_get_clientdata(client);
        int err;
 
-       if ((err = i2c_detach_client(client))) {
-               dev_err(&client->dev, "Client deregistration failed, "
-                       "client not detached.\n");
+       hwmon_device_unregister(data->class_dev);
+
+       if ((err = i2c_detach_client(client)))
                return err;
-       }
 
-       kfree(i2c_get_clientdata(client));
+       kfree(data);
 
        return 0;
 }