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, 2 insertions, 2 deletions

diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
index 57b1c7b7ac3f..55d92e1e27d1 100644
--- a/drivers/hwmon/asb100.c
+++ b/drivers/hwmon/asb100.c
@@ -143,7 +143,7 @@ static int FAN_FROM_REG(u8 val, int div)
 
 /* TEMP: 0.001C/bit (-128C to +127C)
    REG: 1C/bit, two's complement */
-static u8 TEMP_TO_REG(int temp)
+static u8 TEMP_TO_REG(long temp)
 {
         int ntemp = SENSORS_LIMIT(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX);
         ntemp += (ntemp<0 ? -500 : 500);
@@ -448,7 +448,7 @@ static ssize_t set_##reg(struct device *dev, const char *buf, \
 { \
         struct i2c_client *client = to_i2c_client(dev); \
         struct asb100_data *data = i2c_get_clientdata(client); \
-        unsigned long val = simple_strtoul(buf, NULL, 10); \
+        long val = simple_strtol(buf, NULL, 10); \
  \
         mutex_lock(&data->update_lock); \
         switch (nr) { \