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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 20D5FC433DF for ; Wed, 1 Jul 2020 07:26:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7CEB2074D for ; Wed, 1 Jul 2020 07:26:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lPh75AsL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728257AbgGAH0p (ORCPT ); Wed, 1 Jul 2020 03:26:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728142AbgGAH0k (ORCPT ); Wed, 1 Jul 2020 03:26:40 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23942C061755 for ; Wed, 1 Jul 2020 00:26:40 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id b92so10659124pjc.4 for ; Wed, 01 Jul 2020 00:26:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=45+p9qFF6DBDwyHUNuh+QjqxoDwCR18zLYMQyIvcnBo=; b=lPh75AsLe9G9ybYhjZkjxk6QZlN5KZi2Q8aPMoLW9Ib/96WKvOA7So89gFbDEC3bE5 JOKqxdj2ALsDZ6EcXBy0GV8uHce1Z4Czt+mgdSXsSqj7fSz1JneQ5uy4AqU3+V16rITM ZLb7InkKLW/bcOCCrap2HkSIAyN8eOR+TUS/CjUa5aqqk8jc7LPW0/wcG2/i8EJVXEdB 45x2gXb9pEnb8/V88ZXNEcV8bB3102hgj55xRN//hJf5Og1dGK9V9aBsf9yzce/mCOSh 5+EWSa7MP31xaWZoBwNrPqxFoCN4Uz3oq4twHWXYbRAYD5eE275bvRTuyBSE8XK7RX5h 8zBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=45+p9qFF6DBDwyHUNuh+QjqxoDwCR18zLYMQyIvcnBo=; b=tVYxXbEH6KUQ8Nd5U8eKsC21PqHksXiucUs32RlgOBy0Jh7BNEnUDTN7S1J5QEPXJf dv4usMRqbhnNytpUKRz4KCGVwgWOltszioX1KQdtlC0DCM1wrNVJQfSyoXhsV3X/pguE xCNNc4r/+KTummW+gwvXMAspGkq/CCnEI2rWZbDnEFX7aJsNIpwFs2Plnuamt3+5O5Cq sxsrvMfK45FbZ+hIKrbv4aq8eVx2XMIaPnzPDq83IRiPXGZoA+MHRjbcveaysDEq7wHD kSmLxN28vJEEms9j69rKZ1OpEH0Gxzwh3Zdkd5srhR2dFelERn/+TGPoU2dVux3D9Vme ysjQ== X-Gm-Message-State: AOAM532MJfzp5uGd4lAoyvKpJuqB1+qOPrvKl+a9RqOaIGb0hX43CmK8 v0EU4R8G2l7Uu9LYOZimCH4= X-Google-Smtp-Source: ABdhPJytyFDyN/TwGZv+qVxhehOYWwLSsXhJW1Lqzbm2SjT/TlbF2UwIIvovKzYRSIAv1g/v1ARpMA== X-Received: by 2002:a17:90a:d581:: with SMTP id v1mr26662363pju.33.1593588399632; Wed, 01 Jul 2020 00:26:39 -0700 (PDT) Received: from Asurada (c-73-162-191-63.hsd1.ca.comcast.net. [73.162.191.63]) by smtp.gmail.com with ESMTPSA id o12sm5123633pfu.188.2020.07.01.00.26.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jul 2020 00:26:39 -0700 (PDT) Date: Wed, 1 Jul 2020 00:26:28 -0700 From: Nicolin Chen To: Shengjiu Wang Cc: timur@kernel.org, Xiubo.Lee@gmail.com, festevam@gmail.com, broonie@kernel.org, alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] ASoC: fsl_asrc: Add an option to select internal ratio mode Message-ID: <20200701072628.GA9868@Asurada> References: <1593525367-23221-1-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1593525367-23221-1-git-send-email-shengjiu.wang@nxp.com> User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 30, 2020 at 09:56:07PM +0800, Shengjiu Wang wrote: > The ASRC not only supports ideal ratio mode, but also supports > internal ratio mode. > > For internal rato mode, the rate of clock source should be divided > with no remainder by sample rate, otherwise there is sound > distortion. > > Add function fsl_asrc_select_clk() to find proper clock source for > internal ratio mode, if the clock source is available then internal > ratio mode will be selected. > > With change, the ideal ratio mode is not the only option for user. > > Signed-off-by: Shengjiu Wang Reviewed-by: Nicolin Chen