linux-kernel - Re: Longstanding bug in ac97/intel8x0 resume/init

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Message-ID: <m3iqvq7nt0.fsf@mobydick.mine.nu>
Date:	30 Jun 2008 20:58:03 +0200
From:	Mathieu Chouquet-Stringer <mchouque@...e.fr>
To:	hannes@...urebad.de (Johannes Weiner)
Cc:	Takashi Iwai <tiwai@...e.de>, Jaroslav Kysela <perex@...e.cz>,
	linux-kernel@...r.kernel.org
Subject: Re: Longstanding bug in ac97/intel8x0 resume/init

        Hey there,

hannes@...urebad.de (Johannes Weiner) writes:
> Johannes Weiner <hannes@...urebad.de> writes:
> > my laptop has muted sound after resuming the soundcard (by
> > s2ram/hibernation).  The problem seems to be that the cached register
> > values are not written back to the device properly.

I've got the same exact issue on a Thinkpad T30:

 0 [I82801CAICH3   ]: ICH - Intel 82801CA-ICH3
                      Intel 82801CA-ICH3 with AD1881A at irq 5

00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 02)


-- 
Mathieu Chouquet-Stringer
            The sun itself sees not till heaven clears.
	             -- William Shakespeare --
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