alsa-devel.alsa-project.org archive mirror
 help / color / mirror / Atom feed
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

      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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F795DA5.1070006@ladisch.de \
    --to=clemens@ladisch.de \
    --cc=alsa-devel@alsa-project.org \
    --cc=gdiffey@gmail.com \
    --cc=zonque@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).