[ snip ]
> >>
> >
> > Are you sure that the antenna that reported 0 "recovers" and reports good
> values later?
>
> In fact it does, but apparently that's not the problem (I've checked with
> monitor device and after seeing zeros during calibration I see packets and
> max rate coming in from AP).
>
> I've done some more testing and it turns out that original problem of one
> antenna being disabled is caused by power_save parameter being set to
> true. I cannot reproduce the problem with that parameter being set to false.
>
> I guess firmware turns off some receiving antennas to conserve power and
> reports that stat as zero.
>
> I see there is some logic to prevent power saving from affecting this
> calibration but it looks like it doesn't work properly when power_save=true
> and unfortunately I could not immediately figure out why.
>
> Please disregard this patch because original problem is cause by power
> saving, not by firmware issue (at least as far as I could reproduce).
>
> Sorry for not testing it more thoroughly before sending the patch and thanks
> for kindly reviewing it and providing comments!
>
No worries, really :)
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