[PATCH] hwmon: gsc-hwmon: scale temperature to millidegrees

From: Tim Harvey
Date: Thu Aug 27 2020 - 13:20:39 EST


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
Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
---
drivers/hwmon/gsc-hwmon.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
index 3dfe2ca..c6d4567 100644
--- a/drivers/hwmon/gsc-hwmon.c
+++ b/drivers/hwmon/gsc-hwmon.c
@@ -172,6 +172,7 @@ gsc_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
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));
--
2.7.4