Writing the hysteresis limit returned -ERANGE if the written hysteresis
was too high or too low. Relax error check and adjust the hysteresis
value to its valid range.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/emc1403.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 877144c..13cac04 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -147,12 +147,7 @@ static ssize_t store_hyst(struct device *dev,
goto fail;
hyst = limit * 1000 - val;
- hyst = DIV_ROUND_CLOSEST(hyst, 1000);
- if (hyst < 0 || hyst > 255) {
- retval = -ERANGE;
- goto fail;
- }
-
+ hyst = clamp_val(DIV_ROUND_CLOSEST(hyst, 1000), 0, 255);
retval = regmap_write(regmap, 0x21, hyst);
if (retval == 0)
retval = count;
--
1.9.1
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