[LAU] No duplex mode with the EHCI driver and USB hub. Is the problem solved?

Brendan Jones brendan.jones.it at gmail.com
Tue Nov 8 22:40:35 UTC 2011


On 11/08/2011 10:55 PM, Clemens Ladisch wrote:
> Jeremy Jongepier wrote:
>> On 11/07/2011 10:53 PM, Pablo Fernández wrote:
>>> I have not tried the patch yet but it seems to work if you read the
>>> whole thread in alsa-users. Has someone else tried? Joan? Jeremy?
>>
>> Thanks for the links, unfortunately I have no access to a machine with
>> such a chipset anymore (new job).
>
> This problem affects all full speed (i.e., most) audio devices connected
> through a high-speed hub, so it could be reproduced on all machines, if
> actually desired. :)  The problem with Intel's "rate matching" chipset
> controller is that it has a built-in hub which cannot be disabled.
>

So what your saying is there is no way way around it? Originally I 
thought is was limited to a particular chipset - is impossible to find 
the bandwidth on the bus?




More information about the Linux-audio-user mailing list