Re: Roland UA-22 (Duo Capture Ex) in Ubuntu?

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On 23.05.2013 13:02, Clemens Ladisch wrote:
> Daniel Mack wrote:
>>   git clone -b snd-usb git://github.com/zonque/linux.git
> 
>> The device complies to the UAC1 standard but hides that fact with
>> proprietary descriptors.
>>
>> +      {
>> +        .ifnum = 2,
>> +        .type = QUIRK_MIDI_STANDARD_INTERFACE
>> +      },
> 
> That quirk requires standard descriptors.
> 
> For some reason, this device doesn't even have the Roland-specific MIDI
> descriptor.  Try this instead:
> 
> 	{
> 		.ifnum = 2,
> 		.type = QUIRK_MIDI_FIXED_ENDPOINT,
> 		.data = & (const struct snd_usb_midi_endpoint_info) {
> 			.out_cables = 0x0001,
> 			.in_cables  = 0x0001
> 		}
> 	},

Ah, right. Thanks.

Rafa, please call 'git pull origin snd-usb' in the directory where you
called 'git clone' before, and then repeat the subsequent steps from the
wiki page.


Thanks,
Daniel


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