diff options
| author | Mark M. Hoffman <mhoffman@lightlink.com> | 2005-07-15 21:39:18 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-05 09:14:08 -0700 |
| commit | 943b0830cebe4711354945ed3cb44e84152aaca0 (patch) | |
| tree | 1963da8d8867069617404a8f92739035c6faca02 /drivers/hwmon/asb100.c | |
| parent | 1236441f38b6a98caf4c7983e7efdecc2d1527b5 (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/asb100.c')
| -rw-r--r-- | drivers/hwmon/asb100.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 70d996d6fe0a..3ab7a2ddafba 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -41,6 +41,8 @@ #include <linux/i2c.h> #include <linux/i2c-sensor.h> #include <linux/i2c-vid.h> +#include <linux/hwmon.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/jiffies.h> #include "lm75.h" @@ -183,6 +185,7 @@ static u8 DIV_TO_REG(long val) dynamically allocated, at the same time the client itself is allocated. */ struct asb100_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore lock; enum chips type; @@ -821,6 +824,12 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind) data->fan_min[2] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(2)); /* 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 ERROR3; + } + device_create_file_in(new_client, 0); device_create_file_in(new_client, 1); device_create_file_in(new_client, 2); @@ -847,6 +856,11 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +ERROR3: + i2c_detach_client(data->lm75[1]); + i2c_detach_client(data->lm75[0]); + kfree(data->lm75[1]); + kfree(data->lm75[0]); ERROR2: i2c_detach_client(new_client); ERROR1: @@ -857,21 +871,26 @@ ERROR0: static int asb100_detach_client(struct i2c_client *client) { + struct asb100_data *data = i2c_get_clientdata(client); int err; + /* main client */ + if (data) + 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; } - if (i2c_get_clientdata(client)==NULL) { - /* subclients */ + /* main client */ + if (data) + kfree(data); + + /* subclient */ + else kfree(client); - } else { - /* main client */ - kfree(i2c_get_clientdata(client)); - } return 0; } |