From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7211BC433F5 for ; Thu, 30 Sep 2021 11:48:20 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 986D5615E2 for ; Thu, 30 Sep 2021 11:48:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 986D5615E2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1191B169C; Thu, 30 Sep 2021 13:47:28 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1191B169C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1633002498; bh=6SjO4uBoLJIHuCDHcHvkC81unD/HH4A+7vpYwwkcEcY=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=fVFdVX5c/CefhnzydOcAdk9KIeoPaQLmI0/9Nwq3Xt0cI+K0bM4NeKKUmZnbc9jOw TZJZC9z3KzVFBU51wjo9aGhEVYL9+POwGQlBzn2vLN5Pls5U3svzVyzg01+Fwqa61X IC8K4gClYla1lIErdLjPI7CauxJIN/zQdoGUxGZI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EFDC2F804BC; Thu, 30 Sep 2021 13:47:03 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2452EF804D2; Thu, 30 Sep 2021 13:47:03 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 69919F804BC for ; Thu, 30 Sep 2021 13:47:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 69919F804BC Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="XouqW8P8"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="eykXDuFL" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 3F51920018; Thu, 30 Sep 2021 11:47:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1633002420; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=YpCtfc0ieHmVC06Rzis/aUI7TwjGKPoc5uDfAICt91A=; b=XouqW8P8HcDzr58K9yWxJhuBIWpTR5eH12a4XqTHxpKkJkrhYf24wbmrizKv1VtfgxDseL gzkogsFrpZh+YfZ+09OGlBhKb0F/n94H+g9Av4t1t01mGz9ZD7NH8Nqiu4G9vyMm44OPmZ oNl9tfFbnu2E85HKckerysbNeqOKJLE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1633002420; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=YpCtfc0ieHmVC06Rzis/aUI7TwjGKPoc5uDfAICt91A=; b=eykXDuFLUbemFVVgpOa7+/0GCXcVADE65gaVPVsy8RUfRNThipM7q0sbvgKBlyG/coBq8M XfPymQ8RSUrNG/AQ== Received: from alsa1.suse.de (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 3D1E2A3B8C; Thu, 30 Sep 2021 11:47:00 +0000 (UTC) Date: Thu, 30 Sep 2021 13:47:00 +0200 Message-ID: From: Takashi Iwai To: Geraldo Nascimento Subject: Re: Behringer UFX1604 and UFX1204 unneeded implicit feedback In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, 29 Sep 2021 21:26:58 +0200, Geraldo Nascimento wrote: > > Hello Takashi and everyone, > > Behringer UFX1204 and UFX1604 have sync endpoints and we set up > implicit feedback sync on them. This is against the UAC spec. > We've already fixed a major source of noise by explictly setting up > the Clock Selector. Therefore in my humble opinion we should now > disable implicit feedback sync for those two devices. > > What do you think? Yes, as long as it works, we should get rid of the unnecessary implicit-fb quirks. Care to submit a patch? thanks, Takashi