From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Problems with usb soundcard in kernels > 3.3
Date: Wed, 12 Nov 2014 15:36:12 +0100
Message-ID: <5463705C.8060808@ladisch.de>
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To: Bogdan Veringioiu <bogdan.veringioiu@amano.eu>
Cc: alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

Bogdan Veringioiu wrote:
> There is one message that appears in syslog, but it is always
> displayed when I test with aplay, unregarding the kernel version.
>
> --> with kernel 3.2.0-4-686-pae
> kernel: [ 2829.369380] 2:1:1: cannot get freq at ep 0x2
>
> --> with kernel 3.16-0.bpo.2-686-pae
> kernel: [  199.353227] usb 2-1: 1:1: cannot get freq at ep 0x2

This indicates a bug in the device's firmware.

The timeout for control messages was increased from 100 ms to 1000 ms
in kernel 3.3.


Regards,
Clemens