[linux-audio-user] Edirol UA-20 not seen by alsa in ADVANCED mode - ADDITIONAL INFO

[Cesare]

Thank you very much, Clemens.

But what should I get to recompile? Just 'usbquirks.h'? O the whole 
usb-audio driver source?

Cesare

Clemens Ladisch wrote:

>Cesare Marilungo wrote:
>
>  
>
>>This is my lsusb -v output:
>>
>>Bus 001 Device 002: ID 0582:0025 Roland Corp.
>>  ...
>>  bcdDevice            1.01
>>  ...
>>    Interface Descriptor:
>>      bLength                 9
>>      bDescriptorType         4
>>      bInterfaceNumber        1
>>      bAlternateSetting       1
>>      bNumEndpoints           1
>>      bInterfaceClass       255 Vendor Specific Class
>>      bInterfaceSubClass      2
>>      bInterfaceProtocol      0
>>      iInterface              0
>>      Endpoint Descriptor:
>>        bLength                 9
>>        bDescriptorType         5
>>        bEndpointAddress     0x01  EP 1 OUT
>>        bmAttributes            9
>>          Transfer Type            Isochronous
>>          Synch Type               Adaptive
>>          Usage Type               Data
>>        wMaxPacketSize     0x0120  bytes 288 once
>>        bInterval               1
>>        bRefresh                0
>>        bSynchAddress           0
>>    
>>
>
>It seems some moron at Roland made a new revision of this device and left out
>the class-specific descriptors that would have told the driver what sample
>format to use.
>
>I've changed the driver to use a hard-coded sample format for the UA-20.
>This should be on the public CVS servers in a hour or so.
>
>
>HTH
>Clemens
>
>
>  
>