#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
/*
* Addresses to scan
*/
static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
*/
-SENSORS_INSMOD_1(fscher);
+I2C_CLIENT_INSMOD_1(fscher);
/*
* The FSCHER registers
*/
static struct i2c_driver fscher_driver = {
- .owner = THIS_MODULE,
- .name = "fscher",
+ .driver = {
+ .name = "fscher",
+ },
.id = I2C_DRIVERID_FSCHER,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = fscher_attach_adapter,
.detach_client = fscher_detach_client,
};
struct fscher_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 */
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
- return i2c_detect(adapter, &addr_data, fscher_detect);
+ return i2c_probe(adapter, &addr_data, fscher_detect);
}
static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
* client structure, even though we cannot fill it completely yet.
* But it allows us to access i2c_smbus_read_byte_data. */
- if (!(data = kmalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct fscher_data));
/* The common I2C client data is placed right before the
* Hermes-specific data. */
fscher_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_revision(new_client);
device_create_file_alarms(new_client);
device_create_file_control(new_client);
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_free:
kfree(data);
exit:
static int fscher_detach_client(struct i2c_client *client)
{
+ struct fscher_data *data = i2c_get_clientdata(client);
int err;
- if ((err = i2c_detach_client(client))) {
- dev_err(&client->dev, "Client deregistration failed, "
- "client not detached.\n");
+ hwmon_device_unregister(data->class_dev);
+
+ if ((err = i2c_detach_client(client)))
return err;
- }
- kfree(i2c_get_clientdata(client));
+ kfree(data);
return 0;
}