On Wed, Nov 1, 2017 at 6:09 PM, Hans de Goede <[email protected]> wrote:
> Hi All,
>
> I'm working on trying to improve the OOTB power-consumption
> of Fedora Workstation on laptops.
>
> One of the easy wins here is setting snd_hda_intel.power_save=1,
> which saves about 0.4W which given that modern laptops idle at
> around 6-8W is a significant saving.
>
> I've asked the upstream kernel devs if there are any downsides
> to setting SND_HDA_POWER_SAVE_DEFAULT=1 and I got a reply that
> this should be fine and that OpenSUSE Tumbleweed is already
> doing this.
>
> So unless there are any objections I would like to change this
> option to 1 starting with 4.14 kernel. Is that ok ?

None from me and easy enough to revert if it proves a problem, is
there a way to change the default at run time?
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