daniel huhardeaux wrote:
> May 22 11:43:27 nomade kernel: drivers/usb/class/audio.c: v1.0.0:USB Audio Class
> driver
> May 22 11:43:27 nomade usb.agent[8167]: snd-usb-audio: blacklisted
Here you are using the OSS driver (audio).
> May 22 11:44:13 nomade kernel: usbcore: registered new driver snd-usb-audio
Here the ALSA driver (snd-usb-audio) is loaded, but I think the other
driver (audio) was still loaded at this point.
> May 22 11:46:12 nomade kernel: usbaudio: failure (error -32) to get
> output sampling frequency device 2 interface 1 endpoint 0x1
> May 22 11:46:18 nomade kernel: usbaudio: failure (error -32) to get
> output sampling frequency device 2 interface 1 endpoint 0x1
> May 22 11:52:18 nomade kernel: usbaudio: failure (error -32) to get
> output sampling frequency device 2 interface 1 endpoint 0x1
> May 22 11:52:21 nomade kernel: usbaudio: failure (error -32) to get
> output sampling frequency device 2 interface 1 endpoint 0x1
>
> and here too there is a problem with endpoint 0x1. Is this an alsa issue
> or should it be forwarded to USB kernel mailing list?
These messages are from the "audio" driver, the people in the
linux-usb-devel list might want to hear about it.
> May 22 11:11:46 nomade kernel: 5:1:1: cannot get freq at ep 0x1
> May 22 11:11:46 nomade kernel: 5:2:1: cannot get freq at ep 0x82
These messages are from the snd-usb-audio driver.
It seems your device doesn't conform to the USB Audio specification.
It might be possible to work around this. Please try the following:
edit the file sound/usb/usbaudio.c, search for "cannot get freq", and
replace the following line:
return err;
with:
return 0;
then recompile and install the kernel.
HTH
Clemens
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