From: Patrick Shirkey <pshirkey@boosthardware.com>
To: James Courtier-Dutton <James@superbug.demon.co.uk>
Cc: Frank Barknecht <fbar@footils.org>, alsa-devel@lists.sourceforge.net
Subject: Re: Soundcard matrix: removing some M-Audio USB devices
Date: Tue, 02 Mar 2004 14:09:26 +0900 [thread overview]
Message-ID: <40441706.4040602@boosthardware.com> (raw)
In-Reply-To: 40437B14.7020702@superbug.demon.co.uk
James Courtier-Dutton wrote:
> Frank Barknecht wrote:
>
>> Hallo,
>> James Courtier-Dutton hat gesagt: // James Courtier-Dutton wrote:
>>
>>
>>> You will be lucky to find any sound card complying with the USB Audio
>>> spec, as the spec is written so badly.
>>
>>
>>
>> This is the USB spec I'm referring, not the USB AUDIO spec. Those
>> M-Audio devices aren't even recognized as being USB devices by the
>> kernel.
>>
>> ciao
>
>
> So "lsusb" gives no output for the device?
> I have seen some usb devices that connect, and then for some reason the
> kernel does not like them, and disconnects them before you have a chance
> to see them in lsusb.
>
> Which part of the USB spec do they break ?
>
They have inappropriate altsettings. There is a patch which Sampo
Savolainen just released but it probably won't be accepted to the Kernel.
I'll make a mention of it.
--
Patrick Shirkey - Boost Hardware Ltd.
Http://www.boosthardware.com
Http://www.djcj.org/LAU/guide/ - The Linux Audio Users guide
Http://www.djcj.org/gigs/ - Gigs guide Korea
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prev parent reply other threads:[~2004-03-02 5:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-29 23:26 Soundcard matrix: removing some M-Audio USB devices Frank Barknecht
2004-02-29 23:33 ` James Courtier-Dutton
2004-03-01 0:10 ` Frank Barknecht
2004-03-01 18:04 ` James Courtier-Dutton
2004-03-02 5:09 ` Patrick Shirkey [this message]
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