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=-2.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 2A7C7C433E1 for ; Fri, 29 May 2020 13:06:43 +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 AA332206B6 for ; Fri, 29 May 2020 13:06:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="jQu7BKMs"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="s2sCbN+i" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA332206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 07A9B175A; Fri, 29 May 2020 15:05:51 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 07A9B175A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1590757601; bh=iujYvPFgp+kMyGs/HHL6d27m94u1qo0gtVVFdFB0M/c=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=jQu7BKMsS23MSfgVCeVoidlN87g5fy+VomgJPR+SBG7SWD243GAzNwedC08zuOvhf mHJdncs6wdBgkhNt8FR1WE5jTIhsNqvbfc5SrpoWXKSD6tf1z/R8TGtdFGnzahFj3x WzvxEPbElzqPLh+0uhonz+Nurj2iaB4HbaefvOy0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4176CF80149; Fri, 29 May 2020 15:05:50 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5C99AF8014E; Fri, 29 May 2020 15:05:48 +0200 (CEST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id F0FE3F800FF for ; Fri, 29 May 2020 15:05:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F0FE3F800FF Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="s2sCbN+i" Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B714E206B6; Fri, 29 May 2020 13:05:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590757543; bh=iujYvPFgp+kMyGs/HHL6d27m94u1qo0gtVVFdFB0M/c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=s2sCbN+iq+BEr27d1TkCSeB+hJjmmTUlzYgQtmKUT88ehDy9jx8UgGGIPErHPLR54 C/vcqmkGF5HZUV/dHn3msmqyvaFSHcBlTibGinAm7Kw+KMrh27uciL4Etw9ZyxZ5Pv HrKoTIT7/v9KH+mx6J/GeAsPi6tuIjURhuo22PFY= Date: Fri, 29 May 2020 14:05:40 +0100 From: Mark Brown To: Tzung-Bi Shih Subject: Re: [PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode Message-ID: <20200529130539.GK4610@sirena.org.uk> References: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> <20200529110915.GH4610@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="kswDJesP0akhmDn8" Content-Disposition: inline In-Reply-To: X-Cookie: The Killer Ducks are coming!!! User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Hariprasad Kelam , Linux Kernel Mailing List , howie.huang@mediatek.com, Takashi Iwai , ALSA development , Jiaxin Yu , Liam Girdwood , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.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" --kswDJesP0akhmDn8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, May 29, 2020 at 07:22:43PM +0800, Tzung-Bi Shih wrote: > On Fri, May 29, 2020 at 7:09 PM Mark Brown wrote: > > What is DMIC one wire mode? This doesn't sound like something I'd > > expect to vary at runtime. > It means: 1 PDM data wire carries 2 channel data (rising edge for left > and falling edge for right). I thought that was normal for DMICs - is this selecting between left and right or something? > The setting shouldn't and won't change at runtime. Would you suggest > putting it into DTS binding? Yes. --kswDJesP0akhmDn8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7RCKMACgkQJNaLcl1U h9Dt/gf/avkSzsxeit+z9NWHGp2tenf6Da8cB10e6pe1usBAJnkn+iqx1Si29kpO V/fPJbNJY31D3PVd9dnyKQs4ASO+IbdUS2URSUDI795vnUy+fZ+5gu7CWoTc9LVy PvRBFNaVmKrSxHTR3dgeFs3Ehf1cTKnxhL3wXnqg0WrN5tXSzChYnsjz7vHs2aqo Rt6eiUaP3GKEyOLUeI/ND7iucB6eWqh/1RcDuGobJNZkhaVnh4Vk2RbbbJoREPki ni2aN+zVokiZj+JywoG5DP7488T3JdEjWJ84dHAAtb9QhQoZwwO75nHWXhPvRr0q ATS32LCIvu4eZCYa7kNcUqItzPKNDA== =TM61 -----END PGP SIGNATURE----- --kswDJesP0akhmDn8--