From: Tim Harvey tharvey@gateworks.com
[ Upstream commit a6d80df47ee2c69db99e4f2f8871aa4db154620b ]
The GSC fan pwm temperature register is in centidegrees celcius but the Linux hwmon convention is to use milidegrees celcius. Fix the scaling.
Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support") Signed-off-by: Tim Harvey tharvey@gateworks.com Link: https://lore.kernel.org/r/20230606153004.1448086-1-tharvey@gateworks.com Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hwmon/gsc-hwmon.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c index f29ce49294daf..89d036bf88df7 100644 --- a/drivers/hwmon/gsc-hwmon.c +++ b/drivers/hwmon/gsc-hwmon.c @@ -82,8 +82,8 @@ static ssize_t pwm_auto_point_temp_store(struct device *dev, if (kstrtol(buf, 10, &temp)) return -EINVAL;
- temp = clamp_val(temp, 0, 10000); - temp = DIV_ROUND_CLOSEST(temp, 10); + temp = clamp_val(temp, 0, 100000); + temp = DIV_ROUND_CLOSEST(temp, 100);
regs[0] = temp & 0xff; regs[1] = (temp >> 8) & 0xff; @@ -100,7 +100,7 @@ static ssize_t pwm_auto_point_pwm_show(struct device *dev, { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10)) / 100); + return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10))); }
static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point1_pwm, pwm_auto_point_pwm, 0);