hwmon: (gsc-hwmon) fix fan pwm temperature scaling
The GSC fan pwm temperature register is in centidegrees celcius but the
Linux hwmon convention is to use milidegrees celcius. Fix the scaling.
Fixes: 3bce5377ef
("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>
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@ -82,8 +82,8 @@ static ssize_t pwm_auto_point_temp_store(struct device *dev,
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if (kstrtol(buf, 10, &temp))
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return -EINVAL;
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temp = clamp_val(temp, 0, 10000);
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temp = DIV_ROUND_CLOSEST(temp, 10);
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temp = clamp_val(temp, 0, 100000);
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temp = DIV_ROUND_CLOSEST(temp, 100);
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regs[0] = temp & 0xff;
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regs[1] = (temp >> 8) & 0xff;
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@ -100,7 +100,7 @@ static ssize_t pwm_auto_point_pwm_show(struct device *dev,
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10)) / 100);
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return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10)));
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}
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static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point1_pwm, pwm_auto_point_pwm, 0);
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