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path: root/drivers/hwmon/adm1031.c
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Diffstat (limited to 'drivers/hwmon/adm1031.c')
-rw-r--r--drivers/hwmon/adm1031.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 9362509..ac3b154 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -27,6 +27,8 @@
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
/* Following macros takes channel parameter starting from 0 to 2 */
#define ADM1031_REG_FAN_SPEED(nr) (0x08 + (nr))
@@ -69,6 +71,7 @@ typedef u8 auto_chan_table_t[8][2];
/* Each client has this additional data */
struct adm1031_data {
struct i2c_client client;
+ struct class_device *class_dev;
struct semaphore update_lock;
int chip_type;
char valid; /* !=0 if following fields are valid */
@@ -788,6 +791,12 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
adm1031_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_fan1_input);
device_create_file(&new_client->dev, &dev_attr_fan1_div);
device_create_file(&new_client->dev, &dev_attr_fan1_min);
@@ -833,6 +842,8 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_free:
kfree(data);
exit:
@@ -841,11 +852,14 @@ exit:
static int adm1031_detach_client(struct i2c_client *client)
{
+ struct adm1031_data *data = i2c_get_clientdata(client);
int ret;
+
+ hwmon_device_unregister(data->class_dev);
if ((ret = i2c_detach_client(client)) != 0) {
return ret;
}
- kfree(i2c_get_clientdata(client));
+ kfree(data);
return 0;
}