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/adm9240.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/adm9240.c')
| -rw-r--r-- | drivers/hwmon/adm9240.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index ce2a6eb93f6e..7ef61206ba10 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -47,6 +47,8 @@ #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, 0x2f, @@ -150,6 +152,7 @@ static struct i2c_driver adm9240_driver = { struct adm9240_data { enum chips type; struct i2c_client client; + struct class_device *class_dev; struct semaphore update_lock; char valid; unsigned long last_updated_measure; @@ -582,6 +585,12 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) adm9240_init_client(new_client); /* populate sysfs filesystem */ + 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_in0_input); device_create_file(&new_client->dev, &dev_attr_in0_min); device_create_file(&new_client->dev, &dev_attr_in0_max); @@ -615,6 +624,9 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) device_create_file(&new_client->dev, &dev_attr_cpu0_vid); return 0; + +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -630,15 +642,18 @@ static int adm9240_attach_adapter(struct i2c_adapter *adapter) static int adm9240_detach_client(struct i2c_client *client) { + struct adm9240_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; } - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |