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/lm77.c b/drivers/hwmon/lm77.c
index dd969f1..46e3abad 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -138,7 +138,7 @@
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct lm77_data *data = i2c_get_clientdata(client); \
- long val = simple_strtoul(buf, NULL, 10); \
+ long val = simple_strtol(buf, NULL, 10); \
\
mutex_lock(&data->update_lock); \
data->value = val; \