[alsa-devel] Fwd: Support for Roland VG-99 (working code, but could use help)

[Daniel Mack]

On 19.10.2012 01:38, Pete Leigh wrote:
> Hi Daniel,
> 
> On 16 October 2012 09:36, Daniel Mack <zonque at gmail.com> wrote:
> 
>>>> Check out the latestes sound.git[*] and make sure your patch applies
>>>> there.
> 
>> And I missed the annotation in the previous mail, so here it is:
> 
>> [*] git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
> 
> I've got this kernel (sound.git) booting now, but I find that USB
> audio isn't working
> before I touch it.
> 
> When I connect my (known working) UA-25, this happens:
> 
> [  248.815369] usb 1-1.6: new full-speed USB device number 6 using ehci_hcd
> [  248.913064] usb 1-1.6: New USB device found, idVendor=0582, idProduct=0074
> [  248.913068] usb 1-1.6: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [  248.913071] usb 1-1.6: Product: EDIROL UA-25
> [  248.913074] usb 1-1.6: Manufacturer: Roland
>  mtp-probe: checking bus 1, device 6:
> "/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6"
>  mtp-probe: bus: 1, device: 6 was not an MTP device
> [  249.073737] cannot submit urb 0, error -28: not enough bandwidth

Ok, I have to fix this finally. Are you using a hub or is this device
directly connected?


Daniel