diff options
Diffstat (limited to 'drivers/hwmon/max1619.c')
| -rw-r--r-- | drivers/hwmon/max1619.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 3c159f1d49e..56c34c2d361 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -32,7 +32,8 @@ #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> - +#include <linux/hwmon.h> +#include <linux/err.h> static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, @@ -104,6 +105,7 @@ static struct i2c_driver max1619_driver = { struct max1619_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 */ @@ -275,6 +277,12 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind) max1619_init_client(new_client); /* 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_temp2_input); device_create_file(&new_client->dev, &dev_attr_temp2_min); @@ -285,6 +293,8 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -308,15 +318,18 @@ static void max1619_init_client(struct i2c_client *client) static int max1619_detach_client(struct i2c_client *client) { + struct max1619_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; } |