Re: usb2 and audio?

From: Andre Guibert de Bruet <andy_at_siliconlandmark.com>
Date: Thu, 26 May 2005 23:43:04 -0400 (EDT)
On Thu, 26 May 2005, David Gilbert wrote:

> I get the following when I plug my headphones into my usb2 hub:
>
> uaudio0: Logitech Logitech USB Headset, rev 1.10/10.12, addr 5
> uaudio0: ignored input endpoint of type adaptive
> uaudio0: audio rev 1.00
> pcm1: <USB Audio> on uaudio0
> record channel supported format list invalid
> pcm1: chn_init(pcm1:record:0) failed: err = 19
> pcm1: pcm_chn_create(ua_chan, -1, 0xc401f880) failed
> usb3: *** WARNING: opening low/full speed device, this does not work yet.
> usb3: *** WARNING: opening low/full speed device, this does not work yet.
> usb3: *** WARNING: opening low/full speed device, this does not work yet.
>
> ... whereas my mouse (low speed) and other usb 2.0 devices work.
>
> Also... when I plug the headset into the laptops port directly, it
> works ... and the probe looks identical (includingt the complaints).

Does the device work if you plug it into your USB hub and you do not have 
ehci compiled-in?

Andy

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Received on Fri May 27 2005 - 01:43:17 UTC

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