diff options
| author | Mark M. Hoffman <mhoffman@lightlink.com> | 2005-07-15 21:39:18 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-05 09:14:08 -0700 |
| commit | 943b0830cebe4711354945ed3cb44e84152aaca0 (patch) | |
| tree | 1963da8d8867069617404a8f92739035c6faca02 /drivers/hwmon/lm80.c | |
| parent | 1236441f38b6a98caf4c7983e7efdecc2d1527b5 (diff) | |
[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>
Diffstat (limited to 'drivers/hwmon/lm80.c')
| -rw-r--r-- | drivers/hwmon/lm80.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index 8100595feb44..dbf8df386250 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -27,6 +27,8 @@ #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[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, @@ -107,6 +109,7 @@ static inline long TEMP_FROM_REG(u16 temp) struct lm80_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 */ @@ -451,6 +454,12 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind) data->fan_min[1] = lm80_read_value(new_client, LM80_REG_FAN_MIN(2)); /* 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 error_detach; + } + device_create_file(&new_client->dev, &dev_attr_in0_min); device_create_file(&new_client->dev, &dev_attr_in1_min); device_create_file(&new_client->dev, &dev_attr_in2_min); @@ -487,6 +496,8 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +error_detach: + i2c_detach_client(new_client); error_free: kfree(data); exit: @@ -495,15 +506,18 @@ exit: static int lm80_detach_client(struct i2c_client *client) { + struct lm80_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"); return err; } - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |