From: a.v.merkatz@t-online.de (Arwed von Merkatz)
To: linux-hotplug@vger.kernel.org
Subject: Re: alsa sound device configuration within udev
Date: Mon, 03 May 2004 11:51:37 +0000 [thread overview]
Message-ID: <20040503115137.GA1858@Otherland> (raw)
In-Reply-To: <20040502123809.GA2282@mic.paddy.net>
On Sun, May 02, 2004 at 02:38:09PM +0200, Patrick Hornung wrote:
> Hello list,
>
> i had switched from devfs to sysfs using hotplug and udev.
> Ths was necessary, because i want to identify some different usb storage devices
> by plugging them into the computer.
>
> But now my dsp and adsp devices doesnt exist under /dev or any
> subdirectory. Only some pcm*, control* and timer devices can be found
> within /dev/snd.
>
> Trying to play some sound with 'mpg321 test.mp3 -a /dev/snd/pcmC0D0c'
> only ends up with the error message 'libao - OSS cannot set channels to 2'
>
> On the Internet they say that alsa isn't supportet by udev yet, but I
> dont know how actual these frases are.
>
> Is it possible to create some rules to get the old dsp and adsp devices
> back?
>
> KERNEL="dsp*", NAME="snd/%k"
>
> or
>
> NUMBER, BUS="pci", ID="0000:00:11.5", NAME="dsp0"
>
> doesn't work...
> Who know how to do things right?
> My Kernel Version is 2.6.5 with alsa build as modules.
> Thanks for your help!
Load the alsa oss emulation module (don't remember the name, but it's
something with oss and pcm in its name), then /dev/dsp and /dev/adsp
should show up automatically.
--
Arwed v. Merkatz Source Mage GNU/Linux developer
http://www.sourcemage.org
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prev parent reply other threads:[~2004-05-03 11:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-02 12:38 alsa sound device configuration within udev Patrick Hornung
2004-05-03 11:51 ` Arwed von Merkatz [this message]
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