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, 3 insertions, 3 deletions

diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index d9a9ec7dd84a..e3dfc52b5995 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -223,7 +223,7 @@ temp1_from_reg(s8 reg)
 }
 
 static inline s8
-temp1_to_reg(int temp, int min, int max)
+temp1_to_reg(long temp, int min, int max)
 {
         if (temp <= min)
                 return min / 1000;
@@ -805,7 +805,7 @@ store_temp1_##reg(struct device *dev, struct device_attribute *attr, \
                   const char *buf, size_t count) \
 { \
         struct w83627ehf_data *data = dev_get_drvdata(dev); \
-        u32 val = simple_strtoul(buf, NULL, 10); \
+        long val = simple_strtol(buf, NULL, 10); \
  \
         mutex_lock(&data->update_lock); \
         data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \
@@ -840,7 +840,7 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
         struct w83627ehf_data *data = dev_get_drvdata(dev); \
         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
         int nr = sensor_attr->index; \
-        u32 val = simple_strtoul(buf, NULL, 10); \
+        long val = simple_strtol(buf, NULL, 10); \
  \
         mutex_lock(&data->update_lock); \
         data->reg[nr] = LM75_TEMP_TO_REG(val); \