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 3F512C433E0 for ; Fri, 29 May 2020 13:05:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AFC8207F5 for ; Fri, 29 May 2020 13:05:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590757545; bh=iujYvPFgp+kMyGs/HHL6d27m94u1qo0gtVVFdFB0M/c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=OIsmtrkb85Y020GEneSWUVIIBifL3gPNFzXiOzePBLqYn7IZvUITKZzauH4A2DiVZ Jfal5CAmQ1vByLVZjOwaFyQ5UL+VIgNPCxGu9eWLATU5h0Z2YI854QeksTSdLJT8+l /lfyZMR7P0XfOc1pY94ZGabpbQ79kPbf8+yxwbrw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727035AbgE2NFo (ORCPT ); Fri, 29 May 2020 09:05:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:47946 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726829AbgE2NFn (ORCPT ); Fri, 29 May 2020 09:05:43 -0400 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 Cc: Jiaxin Yu , Liam Girdwood , Takashi Iwai , Matthias Brugger , Hariprasad Kelam , ALSA development , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Linux Kernel Mailing List , howie.huang@mediatek.com 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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --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--