[PATCH] I2C hwmon: add hwmon sysfs class to drivers

This patch modifies sensors chip drivers to make use of the new
sysfs class "hwmon".

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mark M. Hoffman
2005-07-15 21:39:18 -04:00
committed by Greg Kroah-Hartman
parent 1236441f38
commit 943b0830ce
33 changed files with 522 additions and 53 deletions

View File

@ -30,6 +30,8 @@
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/i2c-vid.h>
#include <linux/hwmon.h>
#include <linux/err.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
@ -339,6 +341,7 @@ struct lm85_autofan {
struct lm85_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
enum chips type;
@ -1166,6 +1169,12 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
lm85_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 ERROR2;
}
device_create_file(&new_client->dev, &dev_attr_fan1_input);
device_create_file(&new_client->dev, &dev_attr_fan2_input);
device_create_file(&new_client->dev, &dev_attr_fan3_input);
@ -1235,6 +1244,8 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
return 0;
/* Error out and cleanup code */
ERROR2:
i2c_detach_client(new_client);
ERROR1:
kfree(data);
ERROR0:
@ -1243,8 +1254,10 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
int lm85_detach_client(struct i2c_client *client)
{
struct lm85_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
i2c_detach_client(client);
kfree(i2c_get_clientdata(client));
kfree(data);
return 0;
}