From: Clemens Ladisch <clemens@ladisch.de>
To: Grant Diffey <gdiffey@gmail.com>
Cc: alsa-devel@alsa-project.org, Daniel Mack <zonque@gmail.com>
Subject: Re: lsusb -v for AKAI's new EIE pro interface
Date: Mon, 02 Apr 2012 10:04:53 +0200 [thread overview]
Message-ID: <4F795DA5.1070006@ladisch.de> (raw)
In-Reply-To: <CACckToWdWZQFiFS_2GkjR=_0=TDdVApDxfwB0c_3HJ4bvjCejw@mail.gmail.com>
Grant Diffey wrote:
> So device is 4 in 4 out with inserts and midi
>
> Composite with 2 interfaces. I can't tell if they're independent midi and
> audio or more essoteric
>
> anyone want to take a punt?
>
> 6. bDeviceClass 255 Vendor Specific Class
> 7. bDeviceSubClass 255 Vendor Specific Subclass
> 8. bDeviceProtocol 255 Vendor Specific Protocol
So far, so bad.
> 38. Interface Descriptor:
> 51. bEndpointAddress 0x02 EP 2 OUT
> 53. Transfer Type Isochronous
> 61. bEndpointAddress 0x83 EP 3 IN
> 63. Transfer Type Bulk
> 71. bEndpointAddress 0x04 EP 4 OUT
> 73. Transfer Type Bulk
Using bulk endpoints in an interface also used for isochronous
transfers is not supported by the current driver.
Regards,
Clemens
prev parent reply other threads:[~2012-04-02 8:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-30 22:03 lsusb -v for AKAI's new EIE pro interface Grant Diffey
2012-04-02 8:04 ` Clemens Ladisch [this message]
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