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authorMark M. Hoffman <mhoffman@lightlink.com>2005-07-15 21:39:18 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2005-09-05 09:14:08 -0700
commit943b0830cebe4711354945ed3cb44e84152aaca0 (patch)
tree1963da8d8867069617404a8f92739035c6faca02 /drivers/hwmon/w83627ehf.c
parent1236441f38b6a98caf4c7983e7efdecc2d1527b5 (diff)
[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>
Diffstat (limited to 'drivers/hwmon/w83627ehf.c')
-rw-r--r--drivers/hwmon/w83627ehf.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 250f6b059a54..956e7f830aa6 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -41,6 +41,8 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
#include <asm/io.h>
#include "lm75.h"
@@ -177,6 +179,7 @@ temp1_to_reg(int temp)
struct w83627ehf_data {
struct i2c_client client;
+ struct class_device *class_dev;
struct semaphore lock;
struct semaphore update_lock;
@@ -723,6 +726,12 @@ static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind)
data->has_fan |= (1 << 4);
/* Register sysfs hooks */
+ data->class_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto exit_detach;
+ }
+
device_create_file(&client->dev, &dev_attr_fan1_input);
device_create_file(&client->dev, &dev_attr_fan1_min);
device_create_file(&client->dev, &dev_attr_fan1_div);
@@ -756,6 +765,8 @@ static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
+exit_detach:
+ i2c_detach_client(client);
exit_free:
kfree(data);
exit_release:
@@ -773,15 +784,18 @@ static int w83627ehf_attach_adapter(struct i2c_adapter *adapter)
static int w83627ehf_detach_client(struct i2c_client *client)
{
+ struct w83627ehf_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");
return err;
}
release_region(client->addr, REGION_LENGTH);
- kfree(i2c_get_clientdata(client));
+ kfree(data);
return 0;
}