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On 09/18/2016 08:41 PM, Guenter Roeck wrote:
>> +Sysfs entries
>> +-------------
>> +
>> +fan[1-6]_input           RO  fan tachometer speed in RPM
>> +fan[1-6]_fault           RO  fan experienced fault
>> +fan[1-6]_target          RW  desired fan speed in RPM
>> +fan[1-6]_control_mode    RW  desired control mode: rpm, pwm, or auto
> 
> Please use pwm[]_enable (see API)
> 
>> +pwm[1-6]_enable          RW  output enabled, 0=disabled, 1=enabled
> 
> Per API: 0 = no fan speed control (full speed), 1 = manual fan speed control
> enabled (using pwm[1-*]), 2+: automatic fan speed control
> 
>> +pwm[1-6]                 RW  fan target duty cycle (0-255)

This particular device has a per-output PWM disable bit.  How should
this be handled?  I don't want to globally enable outputs that are not
connector or may possibly be incorrectly connected depending on hardware
design.

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
https://www.raptorengineering.com
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