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From: Takashi Iwai <tiwai@suse.de>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: No sound for several minutes after reboot
Date: Mon, 29 Aug 2016 11:32:36 +0200	[thread overview]
Message-ID: <s5hh9a3udhn.wl-tiwai@suse.de> (raw)
In-Reply-To: <20160829092047.GB314@x4>

On Mon, 29 Aug 2016 11:20:47 +0200,
Markus Trippelsdorf wrote:
> 
> On 2016.08.29 at 11:16 +0200, Takashi Iwai wrote:
> > On Mon, 29 Aug 2016 11:05:48 +0200,
> > Markus Trippelsdorf wrote:
> > > 
> > > On 2016.08.29 at 10:56 +0200, Markus Trippelsdorf wrote:
> > > > 
> > > > Unfortunately running: hda-verb /dev/snd/hwC0D0 0x14 SET_POWER 0x00
> > > > has no effect.
> > > 
> > > OK.
> > > Running: hda-verb /dev/snd/hwC0D0 0x15 SET_DIGI_CONVERT_1 0x01
> > > fixes the issue.
> > > I have now put this into my startup script.
> > 
> > Oh, then you're using SPDIF output or such?  I missed it from the
> > description.
> 
> Yes, as I wrote in first mail:
> it is a TOSLINK-S/PDIF link to my DAC.

Yeah, now I found it.  It's hidden well like Wally, as if it's a part
of the "aplay -l" output...

> > This should have been set by IEC958 status bits control.  Does the
> > problem exist only after a fresh reboot?
> 
> Yes. And only for a few minutes. After that it gets finally switched on.

Hm, it's interesting who sets this bit at all.  Could you track it via
tracing verbs as described in Documentation/sound/alsa/HD-Audio.txt.


thanks,

Takashi

  reply	other threads:[~2016-08-29 17:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20160827095018.GA309@x4>
     [not found] ` <20160827113908.GA312@x4>
2016-08-29  8:15   ` No sound for several minutes after reboot Takashi Iwai
2016-08-29  8:33     ` Markus Trippelsdorf
2016-08-29  8:39       ` Takashi Iwai
2016-08-29  8:56         ` Markus Trippelsdorf
2016-08-29  9:05           ` Markus Trippelsdorf
2016-08-29  9:16             ` Takashi Iwai
2016-08-29  9:20               ` Markus Trippelsdorf
2016-08-29  9:32                 ` Takashi Iwai [this message]
2016-08-29  9:40                   ` Markus Trippelsdorf
2016-08-29 12:06                   ` Markus Trippelsdorf
2016-08-29 14:02                     ` Markus Trippelsdorf
2016-08-30  8:04                       ` Takashi Iwai
2016-08-30  8:32                         ` Markus Trippelsdorf
2016-08-30  9:03                           ` Takashi Iwai
2016-08-30  9:20                             ` Markus Trippelsdorf

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