From: Tim Harvey <tharvey@xxxxxxxxxxxxx>
commit c1ae18d313e24bc7833e1749dd36dba5d47f259c upstream.
The GSC registers report temperature in decidegrees celcius so we
need to scale it to represent the hwmon sysfs API of millidegrees.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support")
Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1598548824-16898-1-git-send-email-tharvey@xxxxxxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/gsc-hwmon.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/hwmon/gsc-hwmon.c
+++ b/drivers/hwmon/gsc-hwmon.c
@@ -172,6 +172,7 @@ gsc_hwmon_read(struct device *dev, enum
case mode_temperature:
if (tmp > 0x8000)
tmp -= 0xffff;
+ tmp *= 100; /* convert to millidegrees celsius */
break;
case mode_voltage_raw:
tmp = clamp_val(tmp, 0, BIT(GSC_HWMON_RESOLUTION));
