From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Schumann Subject: Re: Mindprint DI-MOD USB Date: Wed, 5 Dec 2007 13:32:00 +0100 Message-ID: <20071205123200.GA25911@diller-5.physik.uni-kl.de> References: <20071205084935.GA24821@diller-5.physik.uni-kl.de> <1196855264.12342.1224921547@webmail.messagingengine.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailgw1.uni-kl.de (mailgw1.uni-kl.de [131.246.120.220]) by alsa0.perex.cz (Postfix) with ESMTP id EE3B02451C for ; Wed, 5 Dec 2007 13:32:03 +0100 (CET) Content-Disposition: inline In-Reply-To: <1196855264.12342.1224921547@webmail.messagingengine.com> 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: Clemens Ladisch Cc: alsa-devel List-Id: alsa-devel@alsa-project.org On Wed, Dec 05, 2007 at 12:47:44PM +0100, Clemens Ladisch wrote: > Christian Schumann wrote: > > The DI-MOD USB is pretty usb-audio class compliant with the exception of > > the spdif output, which has to be activated manaually. I did this with > > the windows driver, but it would be nice to be able to do that with > > ALSA. > > I have a Envoice MkII with the DI-MOD USB, and my suggestion would be to > > automatically enable the spdif output when initializing the driver. The > > spdif output does not have any other effect on the card functionality. > > That is, it doesn't affect the analog output in any way? As far as I can say it doesn't. > > Digital: Vendorrequest, Typ: Out/Vendorinterface, bReq setCur, wVal 0x00, > > wIndex 0x04, data length 1: data 0x01 > > Analog: Vendorrequest, Typ: Out/Vendorinterface, bReq setCur, wVal 0x00, > > wIndex 0x02, data length 1: data 0x00 > > > > I don't have experience in writing drivers, but if someone can give me a > > clue where to start, I could give it a try. > > Have a look at the *_boot_quirk functions in usbaudio.c. ok, I'll start there. Thanks. Regards Christian -- ------------------------------------------------------------------------ Dipl.-Phys. Christian Schumann |Technische Universitaet Kaiserslautern Mail: schumann@physik.uni-kl.de | Fachbereich Physik Tel.: 0631/205-4842 (Office) | http://www.physik.uni-kl.de Tel.: 0631/205-4843 (Lab) | Fax.: 0631/205-3902 | Post: Erwin-Schroedinger-Strasse, D-67663 Kaiserslautern -------------------------------------------------------------------------