Re: RFA: acpi-support -- glue layer for translating laptop buttons, plus legacy suspend support
On Sun, 26 Apr 2009, Matthew Garrett wrote:
> Henrique de Moraes Holschuh <email@example.com> wrote:
> >On Tue, 21 Apr 2009, Michael Biebl wrote:
> >> > powertop encourages to disable polling, so it is a big point.
> >> I agree with you in general, but I doubt polling every 2 or 16 seconds will make
> >> any significant difference power consumption wise.
> >It does. It won't be much, but still... in any proper new laptop, that
> >drive will have a non-broken firmware that does SATA power-saving and AN,
> >and you are waking it up.
> Hal checks the drive capabilities and shouldn't be polling drives that
> support async notifications. Is that code not working for you?
It is working fine, thanks for the head's up about it disabling the poller
on AN-capable devices (my laptop is not one of them, but I found one which
can do that to test).
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