thank you for the answer.
I know absolutely nothing about usb protocol, howto write a device driver
and sound card. So it's not today that i am going to write a driver for
this device.
Netherless if you know a (free) software that can explore the protocol I
take it. and too a starting point papers to read about them .
2014-05-20 11:10 GMT+02:00 Daniel Mack <dan...@zonque.org>:
> On 05/20/2014 12:08 AM, jean-noël chardron wrote:
> >
> > Also, I the sound card is a high-speed USB device, so you certainly
> need
> > ehci_hcd. Which error did you see?
> >
> >
> > Daniel
> >
> > t seems that there is a constraint on the usb.. the driver is only in
> > usb 1.1 even if the card is in usb 2.0
> > the initial log is :
> > [44038.762643] usb 1-5: New USB device found, idVendor=0644,
> idProduct=8020
> > [44038.762653] usb 1-5: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=3
> > [44038.762661] usb 1-5: Product: US-144 MKII
> > [44038.762667] usb 1-5: Manufacturer: TASCAM
> > [44038.762674] usb 1-5: SerialNumber: no serial number
> > [44038.849752] disable ehci-hcd to run US-144
> > [44038.849772] disable ehci-hcd to run US-144
> > [44038.849808] usbcore: registered new interface driver snd-usb-us122l
>
> Ah, right, now I remember. The driver is not compatible to your
> hardware, and nobody knows what needs to be done in order to make it
> work. Same goes for other models such as the TASCAM US-1800. These
> devices use a proprietary protocol, undisclosed by the vendor.
>
> If you're up for reverse-engineering the protocol, that'd be your chance
> to get involved :) If you're not, I think there's little hope anything
> will happen on this topic any time soon.
>
>
> Daniel
>
>
------------------------------------------------------------------------------
"Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free."
http://p.sf.net/sfu/SauceLabs
_______________________________________________
Alsa-user mailing list
Alsa-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/alsa-user
