hwmon: Allow writing of negative trigger temperatures

- replace differing temperature variable types by long
- use strtol() instead of strtoul() for conversion

Signed-off-by: Christian Hohnstaedt <chohnstaedt@innominate.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 5418a675bb60..6649e0688361 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -162,7 +162,7 @@ static ssize_t set_##value(struct device *dev,				\
 {                                                                       \
         struct i2c_client *client = to_i2c_client(dev);                 \
         struct adm1021_data *data = i2c_get_clientdata(client);         \
-        int temp = simple_strtoul(buf, NULL, 10);                       \
+        long temp = simple_strtol(buf, NULL, 10);                       \
                                                                         \
         mutex_lock(&data->update_lock);                                 \
         data->value = TEMP_TO_REG(temp);                                \