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hwmon: (jc42) Allow negative hysteresis temperatures

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The driver supports negative high and critical limits, it can return
negative hysteresis values, so there is no good reason to not let the
user write negative hysteresis values.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Jean Delvare 2015-01-23 10:27:03 +01:00 committed by Guenter Roeck
parent 2c3b1189fd
commit 9130880a1c
1 changed files with 4 additions and 3 deletions
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7
drivers/hwmon/jc42.c
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@ -304,15 +304,16 @@ static ssize_t set_temp_crit_hyst(struct device *dev,
const char *buf, size_t count)
{
struct jc42_data *data = dev_get_drvdata(dev);
unsigned long val;
long val;
int diff, hyst;
int err;
int ret = count;
if (kstrtoul(buf, 10, &val) < 0)
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
val = clamp_val(val, 0, JC42_TEMP_MAX);
val = clamp_val(val, (data->extended ? JC42_TEMP_MIN_EXTENDED :
JC42_TEMP_MIN) - 6000, JC42_TEMP_MAX);
diff = jc42_temp_from_reg(data->temp[t_crit]) - val;
hyst = 0;