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 AF7B5C433EF for ; Wed, 29 Sep 2021 19:28:04 +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 6D26161527 for ; Wed, 29 Sep 2021 19:28:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6D26161527 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 30FA316CE; Wed, 29 Sep 2021 21:27:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 30FA316CE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1632943681; bh=BINxv4Ro8InLMoDxPtIX0UAWq4JRTRC8Sj2m/yRL2Es=; h=Date:From:To:Subject:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=pYwKIRnFBN/HQkB6r4OAzymdOxkr93vDdBYd+1Wtoc7dTxUqZ9RpYd7eLjGKTT6U3 orNQNpF51NfoxZaE4nbfCB+hszRPwOC1+0RZlK2LhMxASxf2p0gOnUlQbs6De8MpQu BgrSRFcaWbZT9esExE4YjiJm+Gfk9IJ95obbzUHo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C0B17F801F7; Wed, 29 Sep 2021 21:27:10 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8BB38F80227; Wed, 29 Sep 2021 21:27:07 +0200 (CEST) Received: from mail-ua1-x92f.google.com (mail-ua1-x92f.google.com [IPv6:2607:f8b0:4864:20::92f]) (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 01951F80113 for ; Wed, 29 Sep 2021 21:26:59 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 01951F80113 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="E8sAPz/5" Received: by mail-ua1-x92f.google.com with SMTP id c33so2375930uae.9 for ; Wed, 29 Sep 2021 12:26:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=BINxv4Ro8InLMoDxPtIX0UAWq4JRTRC8Sj2m/yRL2Es=; b=E8sAPz/5KnQ9/D/0qqnNBXhi4A0wvll35YtOfn7fMx/wW2mkg/dtNVlew76wNjFqNn g7zd/m9woK8h1wZ3CJRfMTWk3xytaBWS5Ln71f5vhaCmLlDDQ50B7MwEvMxzSerkhTmb 4ZRDuB+s5ceRcStktsv3VHiNsRGJJ2hCwe2J8X/Oi0jnKkNDYLTAAazLDudqNDj6qbve BIbBJ++ebjIjD+Azy52cdITsmvhafPQelMta5BV7jbZvkAvQhN32M/DJuP8C21x8aEIh BO3oCEQlc0reffmBmjbW+EzPxlCzWGQhuP9G3AINAs6p95ECHnth3QiJ38x/FhzRxGov wSMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=BINxv4Ro8InLMoDxPtIX0UAWq4JRTRC8Sj2m/yRL2Es=; b=WqjR2pIlXjllSH3Vszr0Ai94fiH1wpPqqiEQpMdM0TiuJsWKC71bwAaXBNRVyAWgSU dzx8bx9KjpfJVl0nX5WdS177Y6dEujp75QFFauclTTATsZoXYX4bYcEaFpOO80RxeGGn YxuQSLU3Vc4fsVdpyc1yJ4a/vbyvDZjuBG5Y0O3Lpkcpq3wUEkiTWffoR4F7a7aJFhY+ 73hQ1DEuLxrmVQhvsoryqR+q2G/w8/PZSlLhS1yiw30lUiOquTKsSfmxj1NPI1Ml7jMb wPL22UMz8+nqQMQ3eZWDeTqM8dxnMWcpIZZQg+Y9NXy0Jze99+mhHtqsGHBkUYWkcXai Pv4w== X-Gm-Message-State: AOAM5318rCLj1CFcf23h91vEaqgjU9EL1AY1FCo22ItklQWfIx3VgVki 39O1eZqXyvOFdXg9GVJsvRc= X-Google-Smtp-Source: ABdhPJxzGrOiSNWJPCMJTT5Y7LJpHwEj1TQycv3m9lmqJFBugj3xgYVrQOMbvjsdmOlnZT0489AzlQ== X-Received: by 2002:a9f:315a:: with SMTP id n26mr2063225uab.15.1632943618127; Wed, 29 Sep 2021 12:26:58 -0700 (PDT) Received: from geday ([2804:7f2:8280:7522:98f0:31ff:fe93:2dc7]) by smtp.gmail.com with ESMTPSA id f21sm448439vke.39.2021.09.29.12.26.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Sep 2021 12:26:57 -0700 (PDT) Date: Wed, 29 Sep 2021 16:26:58 -0300 From: Geraldo Nascimento To: Takashi Iwai Subject: Behringer UFX1604 and UFX1204 unneeded implicit feedback Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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" 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? Thank you, Geraldo Nascimento