From patchwork Fri Nov 27 09:56:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 11935329 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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 5D1AFC2D0E4 for ; Fri, 27 Nov 2020 09:57:50 +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 A833C21D91 for ; Fri, 27 Nov 2020 09:57:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="HNGUBP11"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="XuPw0WjB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A833C21D91 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.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 185FB1837; Fri, 27 Nov 2020 10:56:56 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 185FB1837 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1606471066; bh=dD2dFxT1bHFi1JYa3JIxITE0CpwvM22h/WW6Olftr4k=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=HNGUBP11bwvsRPYKvDrJtOtgO1PB01p5/yIg3IWfGQovIlsuui+2xHnbsYePiyLDK 9tvKwsRAhb56jmIHk5TA/YT8j5Bphjl71RcZLxDPH80srloP5Y3eHdD7HHblnbHl2c OGIjI3PymbA7MHvedItEqhMmkxdRLcApIPCh4iFc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A1721F8015F; Fri, 27 Nov 2020 10:56:55 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id F0B48F8019D; Fri, 27 Nov 2020 10:56:53 +0100 (CET) Received: from m42-4.mailgun.net (m42-4.mailgun.net [69.72.42.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 44439F800EA for ; Fri, 27 Nov 2020 10:56:47 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 44439F800EA Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="XuPw0WjB" DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1606471008; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=uh97Z0sQ4kcYvO9iLWdWG4UvbvTzslMqDnQZy4L6frI=; b=XuPw0WjBYE7rKB6ClQ77vZcQZW/0yMt6M2nNVC6lwJax1SyIcC7LO61hKw7ID5Qlvwi6D3ud AxhIP7A33xLIzbLOMP+Bv3qrGI5DganNnvUnjhH//eaoQT6CEqTQWLudG3zSmwo7eI6PqfN7 RJFKMYjHbBXvEFBNHJlxDUJ92KM= X-Mailgun-Sending-Ip: 69.72.42.4 X-Mailgun-Sid: WyI4ZmE2ZSIsICJhbHNhLWRldmVsQGFsc2EtcHJvamVjdC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-east-1.postgun.com with SMTP id 5fc0cd5ea5c560669c7e659b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 27 Nov 2020 09:56:46 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6899FC43469; Fri, 27 Nov 2020 09:56:45 +0000 (UTC) Received: from hyd-lnxbld210.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 860B9C4346A; Fri, 27 Nov 2020 09:56:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 860B9C4346A 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 From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, 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 Subject: [PATCH v3] ASoC: qcom: Fix playback recover problem in suspend resume Date: Fri, 27 Nov 2020 15:26:28 +0530 Message-Id: <1606470988-26965-1-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 Cc: V Sujith Kumar Reddy , Srinivasa Rao Mandadapu 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" To support playback continuation after hard suspend(bypass powerd) and resume: Prepare device in platform trigger callback. Make I2s and DMA control registers as non volatile. Signed-off-by: V Sujith Kumar Reddy Signed-off-by: Srinivasa Rao Mandadapu --- Changes Since v1 and v2: -- Subject lines changed sound/soc/qcom/lpass-cpu.c | 8 ++------ sound/soc/qcom/lpass-platform.c | 5 +++-- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index af684fd..c99be03 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -454,20 +454,16 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg) struct lpass_variant *v = drvdata->variant; int i; - for (i = 0; i < v->i2s_ports; ++i) - if (reg == LPAIF_I2SCTL_REG(v, i)) - return true; for (i = 0; i < v->irq_ports; ++i) if (reg == LPAIF_IRQSTAT_REG(v, i)) return true; for (i = 0; i < v->rdma_channels; ++i) - if (reg == LPAIF_RDMACURR_REG(v, i) || reg == LPAIF_RDMACTL_REG(v, i)) + if (reg == LPAIF_RDMACURR_REG(v, i)) return true; for (i = 0; i < v->wrdma_channels; ++i) - if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start) || - reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start)) + if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start)) return true; return false; diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 80b09de..2b0a7c1 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -481,8 +481,9 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, return -ENOTRECOVERABLE; } switch (cmd) { - case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: + lpass_platform_pcmops_prepare(component, substream); + case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ret = regmap_fields_write(dmactl->enable, id, LPAIF_DMACTL_ENABLE_ON); @@ -592,7 +593,7 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, break; } - return 0; + return ret; } static snd_pcm_uframes_t lpass_platform_pcmops_pointer(