linux-kernel - Re: [3.6.9 -> 3.7.1 regression] sound: snd_hda

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Date:	Tue, 8 Jan 2013 00:04:25 +0000 (UTC)
From:	Maurizio Avogadro <mavoga@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: [3.6.9 -> 3.7.1 regression] sound: snd_hda_intel codec probing issue?

Takashi Iwai <tiwai <at> suse.de> writes:

> 
> [...]
> 
> If it's new in 3.7, this could be a regression by runtime D3.
> Try to pass power_save_controller=0 option to snd-hda-intel module
> (or change it via sysfs dynamically).
> 
> thanks,
> 
> Takashi

Hi Takashi

same codec here (ALC269VB on a Clevo W150HRM), same kernel, same issue.
Disabling power_save_controller solves the issue, but I could achieve the same
result by setting enable_msi=0, which I chose in the hope to preserve power
saving capabilities.

thanks, Maurizio

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