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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E294CC388F7 for ; Fri, 13 Nov 2020 14:42:26 +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 4275021D79 for ; Fri, 13 Nov 2020 14:42:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="nnOor6aG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4275021D79 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@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 9D3E61877; Fri, 13 Nov 2020 15:41:32 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9D3E61877 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1605278542; bh=lPiZtbaZGN7IiPilatA5CRm3b8p9HIIk6Lbvqh1xCFQ=; h=Subject:To:References:From:Date:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=nnOor6aGqAk+Qa68IYapGYx5PZBl6UbvyXIdVcwHyd3X2WVIRKQ6Oo7g5G02e9CQQ ZMMrgHbMRxQpQXdLoregn/ZOzj7EqZtnqpILqnyo1LiubfWgyEzazYzDK+e66YTK6Y eIy2u7BNVxCTgGMBUtyo3OHQC2Igxt8WAjrBKSw8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 233A1F801F5; Fri, 13 Nov 2020 15:41:32 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id AFB83F8020C; Fri, 13 Nov 2020 15:41:29 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D0A31F80086 for ; Fri, 13 Nov 2020 15:41:21 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D0A31F80086 IronPort-SDR: 5ntui40OvorwupbyPdoE0zMER2l3Eo+Difte35pnvJrGdHYvuSt6Kb0uloGmObx9qngRt54LVq UOX/uPNv4TLA== X-IronPort-AV: E=McAfee;i="6000,8403,9803"; a="169696990" X-IronPort-AV: E=Sophos;i="5.77,475,1596524400"; d="scan'208";a="169696990" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2020 06:40:55 -0800 IronPort-SDR: jP/mOoG3bwpMRAxjZHG43L6Y5LgaTPqjQcSsiDCZy4IWG6P7ldwZ9TlUCPmTkJ9Nvyz2XNEA0n NM8LaGXetVAg== X-IronPort-AV: E=Sophos;i="5.77,475,1596524400"; d="scan'208";a="532589707" Received: from rjjumade-mobl.amr.corp.intel.com (HELO [10.209.182.8]) ([10.209.182.8]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2020 06:40:52 -0800 Subject: Re: [PATCH 00/14] ASoC: Intel/SOF: extend run-time driver selection to ACPI devices To: "Rojewski, Cezary" , "alsa-devel@alsa-project.org" References: <20201112223825.39765-1-pierre-louis.bossart@linux.intel.com> <0a0854d1ddaf4f9b81ef5569a7d501a5@intel.com> From: Pierre-Louis Bossart Message-ID: <59ffee62-1c9c-a9ae-ab50-bec1b5356a7c@linux.intel.com> Date: Fri, 13 Nov 2020 08:40:51 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <0a0854d1ddaf4f9b81ef5569a7d501a5@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: "tiwai@suse.de" , Hans de Goede , "broonie@kernel.org" , "andriy.shevchenko@linux.intel.com" 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" > Once and if SOF is ready to support all available atom configuration, it > should deprecate and replace it with the same fashion catpt replaced its > predecessor. Until that moment, things should remain as they are. No > additional quirks or magic, just plain simple ACPI-ID based selection. We have lots of users for the existing legacy Baytrail/Cherrytrail driver and we cannot ask distributions to switch one sunny day. I reached out to Hans and Jaroslav to understand how this deprecation might happen, and it has to be done in steps. First include the SOF/BYT-CHT driver in builds, experiment and test and after a successful test period switch over. Keep in mind that Intel folks have only a very limited subset of the hardware based on BYT/CHT so we have to work with the community to get feedback, that's very different to Broadwell where there are only 3 platforms to be supported and an extremely limited number of users impacted by a switch since we are out of the ChromeOS support period. In all cases, distributions and users, not Intel, make the call.