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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 4BEE4C433ED for ; Fri, 14 May 2021 06:50:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 219FD6144F for ; Fri, 14 May 2021 06:50:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231671AbhENGwI (ORCPT ); Fri, 14 May 2021 02:52:08 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:29726 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229927AbhENGwH (ORCPT ); Fri, 14 May 2021 02:52:07 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1620975057; h=Content-Transfer-Encoding: Content-Type: In-Reply-To: MIME-Version: Date: Message-ID: From: References: Cc: To: Subject: Sender; bh=d51erDtkha1RR6bdcED15Fv71pub36quAgP8GlBGWEc=; b=voVH0i+XZykK7nVnlT7J+MCmaBqHun5QpOkVe09cqmQ5AyRX1A0AvHktYCV18mwo1vrEsZAl cwBeg8P3EjCg2UNuyLnvnAGBP+xYA9LKi/qip0l8BSFNt2mg+mM+8vjh3jSvt0pWmpGmOOoT TyJWeFFBMZbf1EQgCFd/EeTXEFk= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 609e1dd0c7220f8fd36165c6 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 14 May 2021 06:50:56 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id CE409C43144; Fri, 14 May 2021 06:50:55 +0000 (UTC) Received: from [192.168.1.100] (unknown [157.48.128.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 399BFC433F1; Fri, 14 May 2021 06:50:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 399BFC433F1 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=srivasam@codeaurora.org Subject: Re: [PATCH] ASoC: qcom: lpass-cpu: Fix pop noise during audio capture begin To: Mark Brown Cc: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org References: <20210513114539.4813-1-srivasam@codeaurora.org> <20210513133132.GC5813@sirena.org.uk> From: Srinivasa Rao Mandadapu Organization: Qualcomm India Private Limited. Message-ID: Date: Fri, 14 May 2021 12:20:46 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20210513133132.GC5813@sirena.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hi Brown, Thanks for your review comments!!! On 5/13/2021 7:01 PM, Mark Brown wrote: > On Thu, May 13, 2021 at 05:15:39PM +0530, Srinivasa Rao Mandadapu wrote: > >> + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { >> + ret = regmap_fields_write(i2sctl->spken, id, >> + LPAIF_I2SCTL_SPKEN_ENABLE); >> + } else { >> + ret = regmap_fields_write(i2sctl->micen, id, >> + LPAIF_I2SCTL_MICEN_ENABLE); >> + } > This commit doesn't remove the matching update in triger() so we'd have > two redundant updates. I guess it's unlikely to be harmful but it looks > wrong/confusing. Yes, It's not harmful, as clk_prepare_enable is enabling clock only once but maintaining count. As Some times in Suspend/resume Sequence not hitting startup/shutdown, but Trigger, so for maintaining consistency not removed in trigger. -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.