[alsa-devel] [3.6.9 -> 3.7.1 regression] sound: snd_hda_intel codec probing issue?
tiwai at suse.de
Tue Jan 8 15:39:07 CET 2013
At Tue, 08 Jan 2013 15:32:13 +0100,
David Henningsson wrote:
> On 01/08/2013 01:56 PM, Takashi Iwai wrote:
> >> I'll test with enable_msi=0 later.
> > Thanks.
> > FWIW, below is a patch I'm considering to merge (after testing, of
> > course). Could you buys check it?
> > Takashi
> > ---
> > From: Takashi Iwai <tiwai at suse.de>
> > Subject: [PATCH] ALSA: hda - Disable runtime D3 for Intel CPT & co
> For reference, I'm seeing some of this too, and have asked for people to
> test with enable_msi=0 and/or power_save_controller=0. I'm waiting for
> replies from people with the hardware.
OK, good to know!
So far, I disabled the runtime PM up to PantherPoint in the patch.
LynxPoint, Haswell and 3400 are still with runtime PM, as these were
the platforms mostly tested for the feature.
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