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>
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index a40166f..4fa3220 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -95,7 +95,7 @@
struct i2c_client *client = to_i2c_client(dev);
struct lm75_data *data = i2c_get_clientdata(client);
int nr = attr->index;
- unsigned long temp = simple_strtoul(buf, NULL, 10);
+ long temp = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp[nr] = LM75_TEMP_TO_REG(temp);