diff options
| author | Tim Harvey <tharvey@gateworks.com> | 2023-06-06 18:30:04 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-19 17:21:26 +0300 |
| commit | 421d35912766ecbf8fb9474bf78ec20bfc292589 (patch) | |
| tree | 4637868e62fb213508a766945dcdb5ce763f5b11 /drivers/hwmon | |
| parent | 9e633411d1438f27648412bc6429d11a0e09f980 (diff) | |
| download | linux-421d35912766ecbf8fb9474bf78ec20bfc292589.tar.xz | |
hwmon: (gsc-hwmon) fix fan pwm temperature scaling
[ 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>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/gsc-hwmon.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c index b60ec95b5edb..74bfc21c2767 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); |