linux-kernel - Re: Commit a551d91473 (ALSA: hda - Use regmap for command verb caches, too) breaks TOSLINK

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Date:	Thu, 16 Apr 2015 13:14:00 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Commit a551d91473 (ALSA: hda - Use regmap for command verb
 caches, too) breaks TOSLINK

On 2015.04.16 at 09:56 +0200, Takashi Iwai wrote:
> At Thu, 16 Apr 2015 09:15:04 +0200,
> Markus Trippelsdorf wrote:
> > 
> > Hi,
> > 
> > since commit a551d914:
> > Author: Takashi Iwai <tiwai@...e.de>
> > Date:   Thu Feb 26 12:34:49 2015 +0100
> > 
> >     ALSA: hda - Use regmap for command verb caches, too
> > 
> > my DAC receives no signal over TOSLINK-S/PDIF anymore.
> > 
> > Reverting the commit on top of the current Linus tree "fixes" the issue.
> 
> Could you give alsa-info.sh outputs from both working and non-working
> cases?  Run the script with --no-upload option and give attachments
> (better compressed).  Take snapshots while you're testing the
> playback.

Attached.

-- 
Markus

View attachment "alsa_good" of type "text/plain" (35375 bytes)

View attachment "alsa_bad" of type "text/plain" (35445 bytes)