From: Takashi Iwai <tiwai@suse.de>
To: Andi Kleen <ak@suse.de>
Cc: linux-pm@lists.linux-foundation.org, perex@suse.cz
Subject: Re: power management in alsa
Date: Wed, 25 Jul 2007 14:58:52 +0200 [thread overview]
Message-ID: <s5hejiwwsfn.wl%tiwai@suse.de> (raw)
In-Reply-To: <200707251436.59156.ak@suse.de>
At Wed, 25 Jul 2007 14:36:58 +0200,
Andi Kleen wrote:
>
>
> Hallo,
>
> I noticed ALSA hda seems to only change PCI power management states
> of the sound devices on suspend/resume. Is there a reason the device
> cannot be automatically suspended when nobody has sound opened?
I made once the automatic power-control patch for hd-audio, but it was
possibly racy and a bit messy implementation, so I abandoned it.
Since then, no one has worked on this issue.
Takashi
next prev parent reply other threads:[~2007-07-25 12:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-25 12:36 power management in alsa Andi Kleen
2007-07-25 12:58 ` Takashi Iwai [this message]
2007-07-25 18:41 ` Pavel Machek
2007-07-26 10:04 ` Takashi Iwai
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