From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Clemens Ladisch" Subject: Re: New sound device question Date: Sun, 26 Dec 2010 12:20:35 +0100 Message-ID: <1293362435.7496.1412275155@webmail.messagingengine.com> References: <4D14A309.9030603@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from out2.smtp.messagingengine.com (out2.smtp.messagingengine.com [66.111.4.26]) by alsa0.perex.cz (Postfix) with ESMTP id 5690224440 for ; Sun, 26 Dec 2010 12:20:37 +0100 (CET) In-Reply-To: <4D14A309.9030603@free.fr> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Laurent Epinat , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Laurent Epinat wrote: > I try to developpe a usb sound driver for a Alesis Multix 8 USB2.0 > > http://www.alesis.com/multimix8usb20 > > The output interface is allready fonctional, but the Input not :-( > Because there is 2 end point for it. The first one is on Isochronous > mode and the other is on Bulk mode > > I don't know how to declare the second endpoint in the quirks_table. There is no predefined quirk for such an endpoint; you'd have to write your own code. > Where can I get a good documentation or help about the alsa USB sound > structure. At the moment, the only documentation is the source code. > The only informations I have about the devices, are dump from windows What is the bulk endpoint used for? Regards, Clemens