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/smsc47b397.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'drivers/hwmon/smsc47b397.c') diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index fdeeb3a..96b9eb4 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -32,6 +32,8 @@ #include #include #include +#include +#include #include #include @@ -100,6 +102,7 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80}; struct smsc47b397_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore lock; struct semaphore update_lock; @@ -226,8 +229,11 @@ static int smsc47b397_attach_adapter(struct i2c_adapter *adapter) static int smsc47b397_detach_client(struct i2c_client *client) { + struct smsc47b397_data *data = i2c_get_clientdata(client); int err; + hwmon_device_unregister(data->class_dev); + if ((err = i2c_detach_client(client))) { dev_err(&client->dev, "Client deregistration failed, " "client not detached.\n"); @@ -235,7 +241,7 @@ static int smsc47b397_detach_client(struct i2c_client *client) } release_region(client->addr, SMSC_EXTENT); - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } @@ -285,6 +291,12 @@ static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind) if ((err = i2c_attach_client(new_client))) goto error_free; + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto error_detach; + } + device_create_file_temp(new_client, 1); device_create_file_temp(new_client, 2); device_create_file_temp(new_client, 3); @@ -297,6 +309,8 @@ static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind) return 0; +error_detach: + i2c_detach_client(new_client); error_free: kfree(data); error_release: -- cgit v1.1