From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: USB Audio device syncpipe error
Date: Thu, 09 Sep 2010 09:50:42 +0200
Message-ID: <4C8891D2.1020300@ladisch.de>
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To: 6275 kson <6275.kson@gmail.com>
Cc: alsa-devel@alsa-project.org
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6275 kson wrote:
> cannot submit syncpipe for urb 0, error -90: internal error

Documentation/usb/error-codes.txt says:
| -EMSGSIZE       (a) endpoint maxpacket size is zero; it is not usable
|                     in the current interface altsetting.
|                 (b) ISO packet is larger than the endpoint maxpacket.
|                 (c) requested data transfer length is invalid: negative
|                     or too large for the host controller.

So, what is the sync packet size?


Regards,
Clemens