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| 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/w83627hf.c | |
| parent | 1236441f38b6a98caf4c7983e7efdecc2d1527b5 (diff) | |
| download | lwn-943b0830cebe4711354945ed3cb44e84152aaca0.tar.gz lwn-943b0830cebe4711354945ed3cb44e84152aaca0.zip | |
[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/w83627hf.c')
| -rw-r--r-- | drivers/hwmon/w83627hf.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index bd87a42e068a..da2f4992ee21 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -44,6 +44,8 @@ #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> #include "lm75.h" @@ -277,6 +279,7 @@ static inline u8 DIV_TO_REG(long val) dynamically allocated, at the same time when a new client is allocated. */ struct w83627hf_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore lock; enum chips type; @@ -1102,6 +1105,12 @@ int w83627hf_detect(struct i2c_adapter *adapter, int address, data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3)); /* 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); if (kind != w83697hf) device_create_file_in(new_client, 1); @@ -1152,6 +1161,8 @@ int w83627hf_detect(struct i2c_adapter *adapter, int address, return 0; + ERROR3: + i2c_detach_client(new_client); ERROR2: kfree(data); ERROR1: @@ -1162,8 +1173,11 @@ int w83627hf_detect(struct i2c_adapter *adapter, int address, static int w83627hf_detach_client(struct i2c_client *client) { + struct w83627hf_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"); @@ -1171,7 +1185,7 @@ static int w83627hf_detach_client(struct i2c_client *client) } release_region(client->addr, WINB_EXTENT); - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |