[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 <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index fa4032d..496549b 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -40,6 +40,8 @@
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/i2c-vid.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
#include <asm/io.h>
static unsigned short normal_i2c[] = { I2C_CLIENT_END };
@@ -186,6 +188,7 @@
struct pc87360_data {
struct i2c_client client;
+ struct class_device *class_dev;
struct semaphore lock;
struct semaphore update_lock;
char valid; /* !=0 if following fields are valid */
@@ -838,6 +841,12 @@
}
/* 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;
+ }
+
if (data->innr) {
device_create_file(&new_client->dev, &dev_attr_in0_input);
device_create_file(&new_client->dev, &dev_attr_in1_input);
@@ -974,6 +983,8 @@
return 0;
+ERROR3:
+ i2c_detach_client(new_client);
ERROR2:
for (i = 0; i < 3; i++) {
if (data->address[i]) {
@@ -990,6 +1001,8 @@
struct pc87360_data *data = i2c_get_clientdata(client);
int i;
+ hwmon_device_unregister(data->class_dev);
+
if ((i = i2c_detach_client(client))) {
dev_err(&client->dev, "Client deregistration failed, "
"client not detached.\n");
