From 943b0830cebe4711354945ed3cb44e84152aaca0 Mon Sep 17 00:00:00 2001 From: "Mark M. Hoffman" Date: Fri, 15 Jul 2005 21:39:18 -0400 Subject: [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 Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/w83l785ts.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'drivers/hwmon/w83l785ts.c') diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 4469d52aba4c..1f763499dac4 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -37,6 +37,8 @@ #include #include #include +#include +#include /* How many retries on register read error */ #define MAX_RETRIES 5 @@ -105,6 +107,7 @@ static struct i2c_driver w83l785ts_driver = { struct w83l785ts_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -239,11 +242,19 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) */ /* 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 exit_detach; + } + device_create_file(&new_client->dev, &dev_attr_temp1_input); device_create_file(&new_client->dev, &dev_attr_temp1_max); return 0; +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -252,15 +263,18 @@ exit: static int w83l785ts_detach_client(struct i2c_client *client) { + struct w83l785ts_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; } -- cgit v1.2.3