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[PATCH] I2C: W83792D add hwmon class register 2/3 

This patch adds registration of hwmon class. Tested with help of i2c-stub.

Signed-off-by: Rudolf Marek <r.marek@sh.cvut.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
wifi-calibration
R.Marek@sh.cvut.cz 2005-07-27 11:50:18 +00:00 committed by Greg Kroah-Hartman
parent 5563e27d3a
commit ce785ab460
1 changed files with 27 additions and 6 deletions
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33
drivers/hwmon/w83792d.c
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@ -42,7 +42,9 @@
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/i2c-vid.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
@ -267,6 +269,7 @@ DIV_TO_REG(long val)
struct w83792d_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
enum chips type;
@ -1289,6 +1292,11 @@ w83792d_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 ERROR3;
}
device_create_file_in(new_client, 0);
device_create_file_in(new_client, 1);
device_create_file_in(new_client, 2);
@ -1361,6 +1369,15 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
ERROR3:
if (data->lm75[0] != NULL) {
i2c_detach_client(data->lm75[0]);
kfree(data->lm75[0]);
}
if (data->lm75[1] != NULL) {
i2c_detach_client(data->lm75[1]);
kfree(data->lm75[1]);
}
ERROR2:
i2c_detach_client(new_client);
ERROR1:
@ -1372,21 +1389,25 @@ ERROR0:
static int
w83792d_detach_client(struct i2c_client *client)
{
struct w83792d_data *data = i2c_get_clientdata(client);
int err;
/* main client */
if (data)
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;
}
if (i2c_get_clientdata(client)==NULL) {
/* subclients */
/* main client */
if (data)
kfree(data);
/* subclient */
else
kfree(client);
} else {
/* main client */
kfree(i2c_get_clientdata(client));
}
return 0;
}