From 943b0830cebe4711354945ed3cb44e84152aaca0 Mon Sep 17 00:00:00 2001 From: "Mark M. Hoffman" Date: Fri, 15 Jul 2005 21:39:18 -0400 Subject: [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 Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/lm75.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers/hwmon/lm75.c') diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 79d7ebc..129c8f2 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -24,6 +24,8 @@ #include #include #include +#include +#include #include "lm75.h" @@ -46,6 +48,7 @@ SENSORS_INSMOD_1(lm75); /* Each client has this additional data */ struct lm75_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -208,12 +211,20 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) lm75_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_max); device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst); device_create_file(&new_client->dev, &dev_attr_temp1_input); return 0; +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -222,8 +233,10 @@ exit: static int lm75_detach_client(struct i2c_client *client) { + struct lm75_data *data = i2c_get_clientdata(client); + hwmon_device_unregister(data->class_dev); i2c_detach_client(client); - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } -- cgit v1.1