Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756777AbYFTTwc (ORCPT ); Fri, 20 Jun 2008 15:52:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752143AbYFTTwY (ORCPT ); Fri, 20 Jun 2008 15:52:24 -0400 Received: from smtpq2.tilbu1.nb.home.nl ([213.51.146.201]:34486 "EHLO smtpq2.tilbu1.nb.home.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752077AbYFTTwX (ORCPT ); Fri, 20 Jun 2008 15:52:23 -0400 Message-ID: <485C0A97.7020909@keyaccess.nl> Date: Fri, 20 Jun 2008 21:52:55 +0200 From: Rene Herman User-Agent: Thunderbird 2.0.0.14 (X11/20080421) MIME-Version: 1.0 To: Pierre Ossman CC: Takashi Iwai , Jaroslav Kysela , ALSA devel , mulix@mulix.org, LKML Subject: Re: [alsa-devel] looping S/PDIF data References: <20080531112606.5884a1c9@mjolnir.drzeus.cx> <20080617215504.3203a5ed@mjolnir.drzeus.cx> <4858B84B.4030800@keyaccess.nl> <20080620214516.28e9d3f3@mjolnir.drzeus.cx> In-Reply-To: <20080620214516.28e9d3f3@mjolnir.drzeus.cx> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -1.0 (-) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1249 Lines: 38 On 20-06-08 21:45, Pierre Ossman wrote: > On Thu, 19 Jun 2008 14:48:19 +0200 > Takashi Iwai wrote: > >> At Thu, 19 Jun 2008 14:39:05 +0200 (CEST), >> Jaroslav Kysela wrote: >>> I don't think that this patch is correct. DMA transfers should be disabled >>> by: >>> >>> outl(what, TRID_REG(trident, T4D_STOP_B)); >>> outl(val, TRID_REG(trident, T4D_AINTEN_B)); >> They are already in the trigger callback as long as I saw the code >> quickly. So the problem should be somewhere else. >> >>> lines. Adding &= ~SPDIF_EN can disable output from AC97 to S/PDIF as well. >> That's true. >> >> Anyway, if you are up now, I'll let you hunt further as you are the >> author of the driver :) >> > > Are there any specs on this hardware? I could play around a bit myself, > but I can't really find any documentation on the registers. At: ftp://ftp.alsa-project.org/pub/manuals/trident/ there's a 4D-Wave DX technical reference manual and .doc files which at first glance look useful. Rene. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/