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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 83262ECE58E for ; Thu, 10 Oct 2019 13:51:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 517B02067B for ; Thu, 10 Oct 2019 13:51:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570715505; bh=V/JXwCim9xHgJaWTIMmCuENQjrQuhOHBfhhfchcy6xI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=2IjC4nO5JVtUObp9TG3Tl0VZiFlY530nSxCnUJPhQp6zaKqcpP2pYRzpbHJlK4ieW mZuCiyX0+dw41KsDa3Jju8gxW6Y9i72QK3XPdHezy9RzJ0I22sFCcCP/+oA1Kf7kTP EdXB9xPlmCuLPSsDVEf0a9ArIDytCwtzFJO8wePE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726152AbfJJNvn (ORCPT ); Thu, 10 Oct 2019 09:51:43 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:48866 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726055AbfJJNvm (ORCPT ); Thu, 10 Oct 2019 09:51:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=V/JXwCim9xHgJaWTIMmCuENQjrQuhOHBfhhfchcy6xI=; b=OLb5MxWlClMtaennmKs5dNMzk WKm8AfEJOMKoj2CQzV8gr+lnf5tOUXnAYmJ4c/gSwuc7iwu+YYKwIaGyUXrZT2x0srTY5W0rEcju2 30C4X1niDQHVoFx8GdCfS/c7yRrOcBwAJ4bUh762OIwcaq1dEcH1t3Y3sbhZzwvuehp+0=; Received: from fw-tnat-cam3.arm.com ([217.140.106.51] helo=fitzroy.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iIYqs-0001Sb-Os; Thu, 10 Oct 2019 13:51:34 +0000 Received: by fitzroy.sirena.org.uk (Postfix, from userid 1000) id 6041DD0003A; Thu, 10 Oct 2019 14:51:34 +0100 (BST) Date: Thu, 10 Oct 2019 14:51:34 +0100 From: Mark Brown To: Charles Keepax Cc: Srinivas Kandagatla , Pierre-Louis Bossart , Vinod Koul , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, bgoswami@codeaurora.org, plai@codeaurora.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, spapothi@codeaurora.org Subject: Re: [alsa-devel] [PATCH v2 3/5] ASoC: core: add support to snd_soc_dai_get_sdw_stream() Message-ID: <20191010135134.GR2036@sirena.org.uk> References: <20190813195804.GL5093@sirena.co.uk> <20190814041142.GU12733@vkoul-mobl.Dlink> <99d35a9d-cbd8-f0da-4701-92ef650afe5a@linux.intel.com> <5e08f822-3507-6c69-5d83-4ce2a9f5c04f@linaro.org> <53bb3105-8e85-a972-fce8-a7911ae4d461@linux.intel.com> <95870089-25da-11ea-19fd-0504daa98994@linaro.org> <2326a155-332e-fda0-b7a2-b48f348e1911@linux.intel.com> <34e4cde8-f2e5-0943-115a-651d86f87c1a@linaro.org> <20191010120337.GB31391@ediswmail.ad.cirrus.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/o1eWYFqMAfOorY1" Content-Disposition: inline In-Reply-To: <20191010120337.GB31391@ediswmail.ad.cirrus.com> X-Cookie: Be careful! UGLY strikes 9 out of 10! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --/o1eWYFqMAfOorY1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Oct 10, 2019 at 12:03:37PM +0000, Charles Keepax wrote: > Usually aux devices are used for things like analog amplifiers that > clearly don't have a digital interface, thus it really makes no sense > to have a DAI link connecting them. So I guess my question here > would be what is the thinking on making the "smart amplifier" dailess? > It feels like having a CODEC to CODEC DAI between the CODEC and > the AMP would be a more obvious way to connect the two devices > and would presumably avoid the issues being discussed around the > patch. Or is this a device where for some reason (consistency?) there really is no DAI and someone has decided to make an analogue amplifier with a soundwire control interface? --/o1eWYFqMAfOorY1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl2fN2MACgkQJNaLcl1U h9BJVQf/VmhKdvjGO+iSItUddcgbReAtHb/ahdMnhBgNm54DlfDRuvW2kr32nZDa 6nV6JI0UShGgIrN50nZeXoOTJqJudBkKPeN3bA4qdH09K/3KoUUccKcWFF9XGUNi C/Ej7gQs/QrIvb2Cs4khYDg3TTzBRQYZgS59UYO0cr/5wQml5uMYCRjwbPTQGkGE Z12uk1POwiqB7/+PtYf7Il4yn+ijyQlVF51ZUGIRGMDGWQMHqXwGg/pc9VX6bAM1 SJ2IDQ6L+pMpu7Jwyq9ymbTRf94gt+yfjLbLR5lUzX1mAC8CSy9CeSb+d7c3jx61 m3I30E3ocl8sxR6JHqmUUqrsbEB9hg== =QvNW -----END PGP SIGNATURE----- --/o1eWYFqMAfOorY1--