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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/smsc47b397.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/smsc47b397.c')
| -rw-r--r-- | drivers/hwmon/smsc47b397.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index fdeeb3ab6f2f..96b9eb40f425 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -32,6 +32,8 @@ #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon.h> +#include <linux/err.h> #include <linux/init.h> #include <asm/io.h> @@ -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: |