----- Original Message -----
On 03-11-17 09:59, Hans de Goede wrote:
> On 01-11-17 20:34, Laura Abbott wrote:
>> On 11/01/2017 11:09 AM, Hans de Goede 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 ?
>> I'm always a bit uneasy about enabling hardware power saving
>> since it rarely seems to be done correctly but as Peter pointed
>> out it's easy to revert if something goes wrong. Having the
>> endorsement of upstream is also good since it means they should
>> be responsive.
>> Enabling for 4.14 sounds like a good plan. Did you intend for
>> this to end up in stable releases on rebase?
> That was my original intention yes. But now that you explicitly
> ask I guess that we may want to hold off on that and just
> make the change for rawhide / F28. I will try to get the
> change committed to the master branch today (otherwise
> I will do it Monday). I will leave it up to you if you also
> make the change to the stable releases on rebase.
I see that Justin has already taken care of this while
updating to Linux v4.14-rc7-47-g3a99df9a3d14, thank you Justin.
Is this what's responsible for loud pops when I stop playing music for a
couple of seconds, or restart after not using it?
I use headphones in a multi-use audio jack port on a Dell desktop machine.
And they pop quite loudly every time I start playing audio again after a little
while, or when I stop/pause for more than a couple of seconds.