Some fan control chips support a configuration register to set the number of tachometer pulses per fan revolution. Add an ABI attribute to support this configuration register. Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx> --- v2: Added more details to attribute description Documentation/hwmon/sysfs-interface | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface index c6559f1..83a6987 100644 --- a/Documentation/hwmon/sysfs-interface +++ b/Documentation/hwmon/sysfs-interface @@ -187,6 +187,17 @@ fan[1-*]_div Fan divisor. Note that this is actually an internal clock divisor, which affects the measurable speed range, not the read value. +fan[1-*]_pulses Number of tachometer pulses per fan revolution. + Integer value, typically between 1 and 4. + RW + This value is a characteristic of the fan connected to the + device's input, so it has to be set in accordance with the fan + model. + Should only be created if the chip has a register to configure + the number of pulses. In the absence of such a register (and + thus attribute) the value assumed by all devices is 2 pulses + per fan revolution. + fan[1-*]_target Desired fan speed Unit: revolution/min (RPM) -- 1.7.3.1 _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
