linux-kernel - Re: no sound with DIGITAL INPUT

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Date:	Tue, 24 Feb 2009 12:24:18 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	jacques <ocean4200@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: no sound with DIGITAL INPUT

At Sun, 22 Feb 2009 10:57:24 -0500,
jacques wrote:
> 
> Hello,
> 
> I have a giga-byte GA-EG43-S2H with an integrated REALTEK ALC888 sound 
> card. I'm unable to use the digital INPUT while recording or using pipe 
> (arecord -M -D iec958 -f dat | aplay -D iec958 -f dat). Also, the 
> giga-byte GA-EG41-S2H has the same problem (uses the same sound 
> chipset). The giga-byte GA-EP45-UD3R is working perfectly but it uses a 
> different sound chip (ALC889A). I tried a lot of things like changing 
> snd-hda-intel model (auto, 6stack-dig, 3stack-dig, etc). I upgraded the 
> ALSA sound driver to the latest version (1.0.19) and also used the 
> snapshot. My distribution is Ubuntu 8.10 (server edition) 64 bits. I 
> also installed the desktop version of it without success. I tested the 
> digital input on Windows operating system and it works perfectly. Now, 
> I'm not sure if I'm missing something with the configuration or it is a 
> problem with the ALSA driver or the kernel module itself.

What about simply recording to a file?

	% arecord -Diec958 -fdat foo.wav

Also try to build with CONFIG_SND_DEBUG_VERBOSE=y once to check how
the PCM stream is assigned.

> Look at the outputs from alsa-info script (computer outputs for details):
> http://www.alsa-project.org/db/?f=068933737fa64bc43928b06d2f4b4559986e6439

It shows you are using 1.0.17.
Use the latest driver below, run alsa-info with --no-upload, and
attach the content.

    git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
    ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz


thanks,

Takashi
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