From: Tim Harvey Date: Thu, 27 Aug 2020 17:20:24 +0000 (-0700) Subject: hwmon: (gsc-hwmon) Scale temperature to millidegrees X-Git-Tag: v5.15~3002^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c1ae18d313e24bc7833e1749dd36dba5d47f259c;p=platform%2Fkernel%2Flinux-starfive.git 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 Link: https://lore.kernel.org/r/1598548824-16898-1-git-send-email-tharvey@gateworks.com Signed-off-by: Guenter Roeck --- 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));