From: Sergey Senozhatsky <sergey.senozhatsky at gmail.com>
To: powertop@lists.01.org
Subject: Re: [Powertop] Fwd: [BUG] powertop does not correctly checks for audio codec power management
Date: Tue, 10 Dec 2013 23:29:25 +0300 [thread overview]
Message-ID: <20131210202925.GF2422@swordfish> (raw)
In-Reply-To: CAFJOydwZoTv_DcD5z7BzroAP5EY9+bA8TpVH9dxpepL4ZZv4Ew@mail.gmail.com
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On (11/27/13 11:41), Otávio Cipriani wrote:
> Hi.
>
> I noticed that powertop 2.4 does not correctly checks if the audio
> codec power management is already enabled.
>
> The module responsible for audio in my sistem is "snd_hda_intel", and
> powertop requires that
> "/sys/module/snd_hda_intel/parameters/power_save" is set to 1 to
> consider that power save is enabled.
>
> Since that parameter is the power save timeout in seconds (0 disables
> power save), it should check if it is greater than 0.
>
> In my setup, "power_save" is set to 10 seconds and
> "power_save_controller" is set to "Y", but powertop still thinks that
> power save is not enabled for my audio codec.
Hello,
good catch, thank you.
need to think how to handle this.
-ss
> Thank you.
> _______________________________________________
> PowerTop mailing list
> PowerTop(a)lists.01.org
> https://lists.01.org/mailman/listinfo/powertop
>
next reply other threads:[~2013-12-10 20:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 20:29 Sergey Senozhatsky [this message]
-- strict thread matches above, loose matches on Subject: below --
2013-11-27 13:41 [Powertop] Fwd: [BUG] powertop does not correctly checks for audio codec power management
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