From: Takashi Iwai <tiwai@suse.de>
To: Werner Sembach <wse@tuxedocomputers.com>
Cc: perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda/realtek: Fix quirk for TongFang PHxTxX1
Date: Thu, 02 Dec 2021 16:39:13 +0100 [thread overview]
Message-ID: <s5hlf13t3ry.wl-tiwai@suse.de> (raw)
In-Reply-To: <e49f141f-3d00-7e11-908e-4227feb9cf5b@tuxedocomputers.com>
On Thu, 02 Dec 2021 16:35:23 +0100,
Werner Sembach wrote:
>
> Am 02.12.21 um 16:28 schrieb Werner Sembach:
> > This fixes the SND_PCI_QUIRK(...) of the TongFang PHxTxX1 barebone. This
> > fixes the issue of sound not working after s3 suspend.
> >
> > When waking up from s3 suspend the Coef 0x10 is set to 0x0220 instead of
> > 0x0020. Setting the value manually makes the sound work again. This patch
> > does this automatically.
> An educational question: Is there any, at least partial, documentation available on what these Coef values actually do
> besides https://www.kernel.org/doc/html/v5.15/sound/hd-audio/realtek-pc-beep.html ?
Unfortunately, no. It's a completely vendor-specific black magic.
Takashi
next prev parent reply other threads:[~2021-12-02 15:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 15:28 [PATCH] ALSA: hda/realtek: Fix quirk for TongFang PHxTxX1 Werner Sembach
2021-12-02 15:35 ` Werner Sembach
2021-12-02 15:39 ` Takashi Iwai [this message]
2021-12-02 15:35 ` Takashi Iwai
2021-12-02 16:02 ` Werner Sembach
2021-12-02 16:19 ` Takashi Iwai
2021-12-02 17:18 ` Werner Sembach
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