Fan speed control

[Vijay Khemka]

On 12/18/18, 8:59 AM, "openbmc on behalf of James Feist" <openbmc-bounces+vijaykhemka=fb.com at lists.ozlabs.org on behalf of james.feist at linux.intel.com> wrote:

    On 12/17/18 9:46 PM, George Liu(刘锡伟) wrote:
    > Hi Vijay
    > 
    > I am also learning about the fan configuration part of openbmc
    > There is a draft https://github.com/lxwinspur/openbmc-doc.
    > I hope it can be useful for you
    > 
    > Regards
    > 
    > -George
    > 
    > On Tue, Dec 18, 2018 at 7:55 AM Vijay Khemka <vijaykhemka at fb.com> wrote:
    >>
    >> Team,
    >>
    >> I am looking for “fan speed control” feature to enable for Tiogapass. I understand that there are many approaches for this. Please point me to all implementation and any details about each approach, may be some pros and cons.
    >>
    
    To my knowledge all recipes are here for fan control:
    
    https://github.com/openbmc/meta-phosphor/tree/master/recipes-phosphor/fans

Thanks James
    
    obmc-control-fan_git.bb - looks like a default fan speed script
I don't see any source code for this.
    
    obmc-phosphor-fand.bb
And for this also I am not seeing anything other than a simple while loop in obmc-phosphor-fand.c. I might be missing src file.
    
    phosphor-fan_git.bb
    
    phosphor-pid-control_git.bb
    
    >>
    >>
    >> Regards
    >>
    >> -Vijay