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

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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
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16
drivers/hwmon/smsc47b397.c
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@ -32,6 +32,8 @@
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/init.h>
#include <asm/io.h>
@ -100,6 +102,7 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80};
struct smsc47b397_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct semaphore update_lock;
@ -226,8 +229,11 @@ static int smsc47b397_attach_adapter(struct i2c_adapter *adapter)
static int smsc47b397_detach_client(struct i2c_client *client)
{
struct smsc47b397_data *data = i2c_get_clientdata(client);
int err;
hwmon_device_unregister(data->class_dev);
if ((err = i2c_detach_client(client))) {
dev_err(&client->dev, "Client deregistration failed, "
"client not detached.\n");
@ -235,7 +241,7 @@ static int smsc47b397_detach_client(struct i2c_client *client)
}
release_region(client->addr, SMSC_EXTENT);
kfree(i2c_get_clientdata(client));
kfree(data);
return 0;
}
@ -285,6 +291,12 @@ static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind)
if ((err = i2c_attach_client(new_client)))
goto error_free;
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
goto error_detach;
}
device_create_file_temp(new_client, 1);
device_create_file_temp(new_client, 2);
device_create_file_temp(new_client, 3);
@ -297,6 +309,8 @@ static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind)
return 0;
error_detach:
i2c_detach_client(new_client);
error_free:
kfree(data);
error_release: