summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTim Harvey <tharvey@gateworks.com>2020-08-27 10:20:24 -0700
committerGuenter Roeck <linux@roeck-us.net>2020-08-27 12:47:55 -0700
commitc1ae18d313e24bc7833e1749dd36dba5d47f259c (patch)
treea34979211348cd03989a4c82d5f2a404d177b8d4
parentcecf7560f00a8419396a2ed0f6e5d245ccb4feac (diff)
downloadlinux-sh-c1ae18d313e24bc7833e1749dd36dba5d47f259c.tar.gz
hwmon: (gsc-hwmon) Scale temperature to millidegrees
The GSC registers report temperature in decidegrees celcius so we need to scale it to represent the hwmon sysfs API of millidegrees. Cc: stable@vger.kernel.org Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support") Signed-off-by: Tim Harvey <tharvey@gateworks.com> Link: https://lore.kernel.org/r/1598548824-16898-1-git-send-email-tharvey@gateworks.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r--drivers/hwmon/gsc-hwmon.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
index 3dfe2ca2f8c8..c6d4567f3952 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));