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 4BECEC433E0 for ; Fri, 29 May 2020 18:17:11 +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 CBBAB206A4 for ; Fri, 29 May 2020 18:17:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="Vunmkwy1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rs/5+UaB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CBBAB206A4 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 25BBA1768; Fri, 29 May 2020 20:16:19 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 25BBA1768 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1590776229; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Vunmkwy1TkdMKSCscyBEA7lbChr2TpUIOWxRl0zTeH+f75FQwvEEDfqOT1bu6pS93 KLmmx8p5LS3jE6wkgYJkxNS4iKWs4ZfKz4dhpQuByjEhBgXVdNWkpFjKyKAygBHQGe 6XbnNkTFg4dJ2FejGoQcQquIlcWuWz2WSJQp1dj0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AF7BFF80149; Fri, 29 May 2020 20:16:18 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D0045F8016F; Fri, 29 May 2020 20:16:16 +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 F3CE4F80125 for ; Fri, 29 May 2020 20:16:12 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F3CE4F80125 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rs/5+UaB" 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 E96E3206A4; Fri, 29 May 2020 18:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590776170; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rs/5+UaBczGURiLrYQDpbv1FEsswVSL+V7v/G+hW1TcMvv846K+Vqn5aLBaf0Zth3 fKZGLUa+ZDpzeu3pWLeubWt+46pbK9QSLhmRNRxYJwAmddJfx/XAE+WX2bhO/qkD1V RDEIci3V4TGyCD05zXZeC4PH9tOmCjRw2P5giNv4= Date: Fri, 29 May 2020 19:16:06 +0100 From: Mark Brown To: Tzung-Bi Shih Subject: Re: [PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode Message-ID: <20200529181606.GU4610@sirena.org.uk> References: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> <20200529110915.GH4610@sirena.org.uk> <20200529130539.GK4610@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oP9at/Ymg5VWhwKB" 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" --oP9at/Ymg5VWhwKB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sat, May 30, 2020 at 01:26:20AM +0800, Tzung-Bi Shih wrote: > On Fri, May 29, 2020 at 9:05 PM Mark Brown wrote: > > I thought that was normal for DMICs - is this selecting between left and > > right or something? > Not sure what is the common name but use the same context here. > MT6358 accepts up to 2 PDM wires for 2 DMICs. > If one wire mode is on, MT6358 only accepts 1 PDM wire. > If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1 > I2S-like to SoC. Oh, interesting - so it's essentially a mixer? Not seen that before but makes sense. In any case this definitely seems like a good fit for a DT property. --oP9at/Ymg5VWhwKB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7RUWYACgkQJNaLcl1U h9DzCAf/eSG8ftQqt2zLUXgVK2VdTkdi/4wwtHrEUTnLh92NVK3qVJo7AlDSmwxK nq/ophHJqVsYmeXUCott6BaJKspd6r+KnrnyJRupzBixtLTx573x7VdREPful5eW 6cVUHkoI0quLHqspblBrZFW0kvt6iwuol2dK0pIORn6rRiaaQlzB9kTmE1BI5Clt GZrYuFcCzsW7IHYLPWD3Mbl9IsTFius8mjWym4jiglkPFu+8c8bgXRLJE7wGgoGz x60eHOnNmXwuzOBkrao6njQPWLX+/jtRU5aw4mQ5csVzf662KRmsciNScxyWLHMV v00PW1FlfI9AGrtQdlSKb1UMyO+Rpg== =ODhy -----END PGP SIGNATURE----- --oP9at/Ymg5VWhwKB-- 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=DKIMWL_WL_HIGH,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 87A7CC433E0 for ; Fri, 29 May 2020 18:16:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 58E35206A4 for ; Fri, 29 May 2020 18:16:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="S1zYNaHV"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rs/5+UaB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58E35206A4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=g1oYtn/7A3jTHhzOFaCZlsIW5+Uqefs+WlmZJp4dtgw=; b=S1zYNaHVI8cImi6ONNTR/Enew ZtBpoFMGnBvsR0mwgQ2Gk+kWbW2H5JGY3fqPPYF85tD59y+DwFwaALi6ZD7VlZAo9ZA6fUikDIk/L /lXij9vz0OjkASK0yuN6Iy8UO5P4d+y+QfIhyIuNuWXvpVBiskJ+ZMZ+qZm10uA1NkUPhOiX1pmmV VFv7DnvL4YVq37sEknqWqkfRWC2hnDGbtA3arieQfl2g4hYghc1Ex8TEmuLKBVQHF3gZOI2qFxUDF 2ciSjkDH0dEDlW0NALqwg6v1RqF6CuyjpQKgcG5UsVc8prQne8UAEv8vPB6LHEgS5UfGFc1cf11z1 iA5lvbY3g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jejYN-0008H9-VZ; Fri, 29 May 2020 18:16:23 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jejYA-00087S-Vt; Fri, 29 May 2020 18:16:12 +0000 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 E96E3206A4; Fri, 29 May 2020 18:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590776170; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rs/5+UaBczGURiLrYQDpbv1FEsswVSL+V7v/G+hW1TcMvv846K+Vqn5aLBaf0Zth3 fKZGLUa+ZDpzeu3pWLeubWt+46pbK9QSLhmRNRxYJwAmddJfx/XAE+WX2bhO/qkD1V RDEIci3V4TGyCD05zXZeC4PH9tOmCjRw2P5giNv4= Date: Fri, 29 May 2020 19:16:06 +0100 From: Mark Brown To: Tzung-Bi Shih Subject: Re: [PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode Message-ID: <20200529181606.GU4610@sirena.org.uk> References: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> <20200529110915.GH4610@sirena.org.uk> <20200529130539.GK4610@sirena.org.uk> MIME-Version: 1.0 In-Reply-To: X-Cookie: The Killer Ducks are coming!!! User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200529_111611_044118_21674FFB X-CRM114-Status: GOOD ( 11.47 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Content-Type: multipart/mixed; boundary="===============1025639654634941838==" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org --===============1025639654634941838== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oP9at/Ymg5VWhwKB" Content-Disposition: inline --oP9at/Ymg5VWhwKB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sat, May 30, 2020 at 01:26:20AM +0800, Tzung-Bi Shih wrote: > On Fri, May 29, 2020 at 9:05 PM Mark Brown wrote: > > I thought that was normal for DMICs - is this selecting between left and > > right or something? > Not sure what is the common name but use the same context here. > MT6358 accepts up to 2 PDM wires for 2 DMICs. > If one wire mode is on, MT6358 only accepts 1 PDM wire. > If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1 > I2S-like to SoC. Oh, interesting - so it's essentially a mixer? Not seen that before but makes sense. In any case this definitely seems like a good fit for a DT property. --oP9at/Ymg5VWhwKB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7RUWYACgkQJNaLcl1U h9DzCAf/eSG8ftQqt2zLUXgVK2VdTkdi/4wwtHrEUTnLh92NVK3qVJo7AlDSmwxK nq/ophHJqVsYmeXUCott6BaJKspd6r+KnrnyJRupzBixtLTx573x7VdREPful5eW 6cVUHkoI0quLHqspblBrZFW0kvt6iwuol2dK0pIORn6rRiaaQlzB9kTmE1BI5Clt GZrYuFcCzsW7IHYLPWD3Mbl9IsTFius8mjWym4jiglkPFu+8c8bgXRLJE7wGgoGz x60eHOnNmXwuzOBkrao6njQPWLX+/jtRU5aw4mQ5csVzf662KRmsciNScxyWLHMV v00PW1FlfI9AGrtQdlSKb1UMyO+Rpg== =ODhy -----END PGP SIGNATURE----- --oP9at/Ymg5VWhwKB-- --===============1025639654634941838== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek --===============1025639654634941838==-- 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=DKIMWL_WL_HIGH,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 32272C433E0 for ; Fri, 29 May 2020 18:16:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D5CF2206A4 for ; Fri, 29 May 2020 18:16:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SVOEklJh"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rs/5+UaB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5CF2206A4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aJoAmp/oz6DFs70lLxQE8G7QXxhhjN5C3Cz/9Go5MO4=; b=SVOEklJh1eaP+rwC8Hi8VoI1z McBIk4WV1aGUDrn3A/mI60Za76lxWTqunls0AohCGAOceU1kf/ElWSB21Jx+UNpli/sx2s7vNFsDf BIQDyvwPAOZ/rUM7CL8zzaX9XBAenaljdTvi9q+/CfnXeu3JwrEpI2mgXKd2sxJthtLg8aCwo2OQw BnnPCc5AdT9h3BRr1N8Xlwz8bjTfXJbyxvBc9Ucp2bRXryS4qPSAByFfxDKZEExVW7GGbAXq+6wbO XGh2exiaCY+7mJSPFSlPfSYsfVaJNHPIN7E+uhd6kOkOpEnK5yzQt2a+bY3CilPabDu8S/2TQ57/k Vl6GV56Vw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jejYE-000885-2x; Fri, 29 May 2020 18:16:14 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jejYA-00087S-Vt; Fri, 29 May 2020 18:16:12 +0000 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 E96E3206A4; Fri, 29 May 2020 18:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590776170; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rs/5+UaBczGURiLrYQDpbv1FEsswVSL+V7v/G+hW1TcMvv846K+Vqn5aLBaf0Zth3 fKZGLUa+ZDpzeu3pWLeubWt+46pbK9QSLhmRNRxYJwAmddJfx/XAE+WX2bhO/qkD1V RDEIci3V4TGyCD05zXZeC4PH9tOmCjRw2P5giNv4= Date: Fri, 29 May 2020 19:16:06 +0100 From: Mark Brown To: Tzung-Bi Shih Subject: Re: [PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode Message-ID: <20200529181606.GU4610@sirena.org.uk> References: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> <20200529110915.GH4610@sirena.org.uk> <20200529130539.GK4610@sirena.org.uk> MIME-Version: 1.0 In-Reply-To: X-Cookie: The Killer Ducks are coming!!! User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200529_111611_044118_21674FFB X-CRM114-Status: GOOD ( 11.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Content-Type: multipart/mixed; boundary="===============6462452780131972351==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6462452780131972351== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oP9at/Ymg5VWhwKB" Content-Disposition: inline --oP9at/Ymg5VWhwKB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sat, May 30, 2020 at 01:26:20AM +0800, Tzung-Bi Shih wrote: > On Fri, May 29, 2020 at 9:05 PM Mark Brown wrote: > > I thought that was normal for DMICs - is this selecting between left and > > right or something? > Not sure what is the common name but use the same context here. > MT6358 accepts up to 2 PDM wires for 2 DMICs. > If one wire mode is on, MT6358 only accepts 1 PDM wire. > If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1 > I2S-like to SoC. Oh, interesting - so it's essentially a mixer? Not seen that before but makes sense. In any case this definitely seems like a good fit for a DT property. --oP9at/Ymg5VWhwKB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7RUWYACgkQJNaLcl1U h9DzCAf/eSG8ftQqt2zLUXgVK2VdTkdi/4wwtHrEUTnLh92NVK3qVJo7AlDSmwxK nq/ophHJqVsYmeXUCott6BaJKspd6r+KnrnyJRupzBixtLTx573x7VdREPful5eW 6cVUHkoI0quLHqspblBrZFW0kvt6iwuol2dK0pIORn6rRiaaQlzB9kTmE1BI5Clt GZrYuFcCzsW7IHYLPWD3Mbl9IsTFius8mjWym4jiglkPFu+8c8bgXRLJE7wGgoGz x60eHOnNmXwuzOBkrao6njQPWLX+/jtRU5aw4mQ5csVzf662KRmsciNScxyWLHMV v00PW1FlfI9AGrtQdlSKb1UMyO+Rpg== =ODhy -----END PGP SIGNATURE----- --oP9at/Ymg5VWhwKB-- --===============6462452780131972351== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6462452780131972351==-- 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 4C8F3C433DF for ; Fri, 29 May 2020 18:16:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28DC32074D for ; Fri, 29 May 2020 18:16:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590776172; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=A533eYlXb8oKsqU0WKWdhSAethKHgZpDpkziVE80GJKcQoyqI58BSkXQbvNfYTLL5 af6IAZvgQ3GP28EzSNMpbXk4iiNFaSa7kLLJM9Bv1xh5okl5jX1S3X0TaBU+fcbWQw rj87T+yCv16ICvPo8GHn0JNgDhLhMq+7mWA5sJWw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727013AbgE2SQL (ORCPT ); Fri, 29 May 2020 14:16:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:54620 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725839AbgE2SQL (ORCPT ); Fri, 29 May 2020 14:16:11 -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 E96E3206A4; Fri, 29 May 2020 18:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590776170; bh=GH7xgOfWGLC1xYWHZL51BlZXClwRjmPTGXTEkgGZCAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rs/5+UaBczGURiLrYQDpbv1FEsswVSL+V7v/G+hW1TcMvv846K+Vqn5aLBaf0Zth3 fKZGLUa+ZDpzeu3pWLeubWt+46pbK9QSLhmRNRxYJwAmddJfx/XAE+WX2bhO/qkD1V RDEIci3V4TGyCD05zXZeC4PH9tOmCjRw2P5giNv4= Date: Fri, 29 May 2020 19:16:06 +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: <20200529181606.GU4610@sirena.org.uk> References: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> <20200529110915.GH4610@sirena.org.uk> <20200529130539.GK4610@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oP9at/Ymg5VWhwKB" 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 --oP9at/Ymg5VWhwKB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sat, May 30, 2020 at 01:26:20AM +0800, Tzung-Bi Shih wrote: > On Fri, May 29, 2020 at 9:05 PM Mark Brown wrote: > > I thought that was normal for DMICs - is this selecting between left and > > right or something? > Not sure what is the common name but use the same context here. > MT6358 accepts up to 2 PDM wires for 2 DMICs. > If one wire mode is on, MT6358 only accepts 1 PDM wire. > If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1 > I2S-like to SoC. Oh, interesting - so it's essentially a mixer? Not seen that before but makes sense. In any case this definitely seems like a good fit for a DT property. --oP9at/Ymg5VWhwKB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7RUWYACgkQJNaLcl1U h9DzCAf/eSG8ftQqt2zLUXgVK2VdTkdi/4wwtHrEUTnLh92NVK3qVJo7AlDSmwxK nq/ophHJqVsYmeXUCott6BaJKspd6r+KnrnyJRupzBixtLTx573x7VdREPful5eW 6cVUHkoI0quLHqspblBrZFW0kvt6iwuol2dK0pIORn6rRiaaQlzB9kTmE1BI5Clt GZrYuFcCzsW7IHYLPWD3Mbl9IsTFius8mjWym4jiglkPFu+8c8bgXRLJE7wGgoGz x60eHOnNmXwuzOBkrao6njQPWLX+/jtRU5aw4mQ5csVzf662KRmsciNScxyWLHMV v00PW1FlfI9AGrtQdlSKb1UMyO+Rpg== =ODhy -----END PGP SIGNATURE----- --oP9at/Ymg5VWhwKB--