Hi Daniel,
On 16 October 2012 09:36, Daniel Mack zonque@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
Any subsequent attempts to send audio to it result in a single "urb 0 error -28" message
I googled this a bit, and saw that there had been a problem looking like this with USB full speed devices on ehci controllers, which does apply here.
Do you think that's what's biting me?
Cheers,
- Pete.