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From: Takashi Iwai <tiwai@suse.de>
To: Paul Menzel <pmenzel+alsa-devel@molgen.mpg.de>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: azx_probe() called twice
Date: Wed, 25 Apr 2018 14:34:46 +0200	[thread overview]
Message-ID: <s5hpo2njwgp.wl-tiwai@suse.de> (raw)
In-Reply-To: <96db5a48-418e-3344-ef0d-99e6180cebfe@molgen.mpg.de>

On Wed, 25 Apr 2018 14:29:31 +0200,
Paul Menzel wrote:
> 
> Dear Takashi,
> 
> 
> On 04/25/18 13:58, Takashi Iwai wrote:
> > On Wed, 25 Apr 2018 13:48:27 +0200, Paul Menzel wrote:
> 
> >> With the attached debug patch, `azx_probe()` seems to have been called
> >> twice on the ASRock E350M1. Is that expected? It also differs, that
> >> it’s only called once during some boots, and twice during others.
> >
> > How many HD-audio devices does it have?
> 
> I’d say one (ALC892), but how do I verify that?

I meant HD-audio controllers.

> Please find lspci and
> Linux logs attached from an older boot with Linux 4.11.
....
> 00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Wrestler HDMI Audio
....
> 00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) (rev 40)

So you have two HD-audio controllers (one for HDMI/DP and another for
Realtek codec).  It's expected behavior that azx_probe() gets called
twice.


Takashi

  reply	other threads:[~2018-04-25 12:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25 11:48 Paul Menzel
2018-04-25 11:58 ` Takashi Iwai
2018-04-25 12:29   ` Paul Menzel
2018-04-25 12:34     ` Takashi Iwai [this message]
2018-04-25 12:38       ` Probe HD-audio devices in parallel (was: azx_probe() called twice) Paul Menzel
2018-04-25 13:42         ` Takashi Iwai

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