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Commit 9130880a authored by Jean Delvare's avatar Jean Delvare Committed by Guenter Roeck
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hwmon: (jc42) Allow negative hysteresis temperatures 



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: default avatarJean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 2c3b1189

drivers/hwmon/jc42.c

+4 −3
Original line number Diff line number Diff line
@@ -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;