Re: RFA: acpi-support -- glue layer for translating laptop buttons, plus legacy suspend support

[Matthew Garrett <mgarrett@chiark.greenend.org.uk>]

Henrique de Moraes Holschuh <hmh@debian.org> 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?

-- 
Matthew Garrett | mjg59-chiark.mail.debian.devel@srcf.ucam.org