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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 31DCFC56201 for ; Tue, 24 Nov 2020 14:16:21 +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 8A5DE2063A for ; Tue, 24 Nov 2020 14:16:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="g5CviG03" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8A5DE2063A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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 3E97E16A6; Tue, 24 Nov 2020 15:15:27 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3E97E16A6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1606227377; bh=ed3IVGzF/7dlDy+FOJ2UUoEr2YvxPFjU+AWP2uHVtW4=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=g5CviG03Zdp/M5gbMKvq+RnSAtjpWwcvb6h7qCEXERyQTB+PumM4KvXVBhlM7x4b7 jad1uLZ7kXaHW7SH+hxoaSJuheKhLG+qx6+s8GKiZqoAbPeeQA1GYCjOfhQUKw/bll xRNHLLzp2B6Po5f/4IbfufWispvjd1mNEVbkUWTI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id B8CF5F80161; Tue, 24 Nov 2020 15:15:26 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 86333F80165; Tue, 24 Nov 2020 15:15:25 +0100 (CET) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 7346BF800C1 for ; Tue, 24 Nov 2020 15:15:19 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7346BF800C1 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A6B9CAC2D; Tue, 24 Nov 2020 14:15:18 +0000 (UTC) Date: Tue, 24 Nov 2020 15:15:18 +0100 Message-ID: From: Takashi Iwai To: Mark Brown Subject: Re: [PATCH 00/14] ASoC: Intel/SOF: extend run-time driver selection to ACPI devices In-Reply-To: <20201124140119.GC4933@sirena.org.uk> References: <0badb36f-3089-dc34-f7b0-75a73b856f0d@linux.intel.com> <20201120164841.GF6751@sirena.org.uk> <758af664b89545c5be83ca2bc81078fb@intel.com> <20201120180627.GI6751@sirena.org.uk> <20201123173533.GL6322@sirena.org.uk> <41fbc38fa46f41f49b4ff846f9f7b5b2@intel.com> <20201124140119.GC4933@sirena.org.uk> 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: Hans de Goede , "Rojewski, Cezary" , "andriy.shevchenko@linux.intel.com" , Pierre-Louis Bossart , "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 Tue, 24 Nov 2020 15:01:19 +0100, Mark Brown wrote: > > On Tue, Nov 24, 2020 at 11:56:36AM +0000, Rojewski, Cezary wrote: > > > What the patchset presents catpt vs SOF. /sof/ runs through SOF firmware > > so it cannot be account as old-implementation. It's a mix of not > > recommended fw + incorrect sw flow. As old /haswell/ is no more, there > > is no worrying about catpt deployment - it's your only option. As there > > is no userspace involved (lack of topology files), base firmware binary > > remains the same and amixer kcontrols behave 1:1 when compared to its > > predecessor, compatibility is left intact. > > > That's exactly why we should be explicit in driver selection. Pretty > > sure hsw/bdw case is still mistakenly addressed to as if it was > > atom-based platform. > > It's not just the userspace interface that worries people, it's also any > board specific quirks that might turn up. A good chunk of the work with > x86 sound support is quirking around platform specifics - look at all > the patches Hans sends for example. In an ideal world this would just > be people worrying too much but the general history with getting generic > code working well on a wide range of x86 hardware it's hard to blame > anyone for being conservative about substantial changes in the software > stack. I guess Cezary's point is that CATPT is the only driver for Haswell, hence the intel-dsp-config is useless for it. But I thought CATPT also covers Broadwell, and Broadwell can be supported by both CATPT and SOF? If so, the dynamic switching makes sense. Takashi