On Thu, Sep 28, 2017 at 02:57:52PM +0800, Leo Yan wrote: > Hi Daniel, > > On Thu, Sep 28, 2017 at 07:13:44AM +0200, Daniel Lezcano wrote: > > At this moment, we have both the interrupt setup and the polling enabled. > > The > > interrupt does nothing more than forcing an update while the temperature is > > polled every second. > > > > We can do much better than that, threshold is set to 65C in the DT and the > > passive cooling device enters in the dance when 75C is reached. We need to > > sample the temperature at 65C in order to let the IPA gather enough values > > for > > the PID computation. If the SoC is running at a temperature below 65C, we > > will > > be constantly polling for nothing. > > > > This patch disables the sensor when the temperature is below 65C and > > enables it > > when passing the threshold. It results the thermal sensor driver will have > > no > > activity most of the time. > > > > Cc: Keerthy <j-keer...@ti.com> > > Cc: Leo Yang <leo....@linaro.org> > > s/Yang/Yan :) Have tested this patch on Hikey at my side:
Oops sorry :) > Reviewed-by: Leo Yan <leo....@linaro.org> > Tested-by: Leo Yan <leo....@linaro.org> Great! Thanks for testing. -- Daniel
