From patchwork Wed Dec 2 17:22:28 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: 11946485 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 CCB81C64E7C for ; Wed, 2 Dec 2020 17:24:02 +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 0F6A921D81 for ; Wed, 2 Dec 2020 17:24:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F6A921D81 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 6936517F3; Wed, 2 Dec 2020 18:23:10 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6936517F3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1606929840; bh=WAWyOD9YIMptjKtlzubzfb1udaYH/t6EIYDlQqqc3DE=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=AQ6dJuJfWKF5A7DIbzf7ne8t+lrS9tz8q0zcOKjGmXtHMTVzSvi/yG6On6vrfv95m KiHPQv89czIF5fnWchjtQQU7C04BriV+PIZyG/kW42O86sQjwaXxLYWM3bpor/6mqK Ry2D/wML7hLtVusitwjL6OHqfJ41adok41HeQGDQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E46CEF804A9; Wed, 2 Dec 2020 18:23:08 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D7835F804AB; Wed, 2 Dec 2020 18:23:07 +0100 (CET) Received: from m42-5.mailgun.net (m42-5.mailgun.net [69.72.42.5]) (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 C8CC7F8026B for ; Wed, 2 Dec 2020 18:22:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C8CC7F8026B Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="FREz+6W0" DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1606929779; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=XCbGtFpkxfX04IDxYSYPabTaVb2FLbxMGt+XuP7RsZE=; b=FREz+6W0tyGvL+83EgnxUE8gLACwwbed4KbHIMYbAo+kBmiPd5bekp5J+QX0vcmrJvW8x0cR l85yKRdhUGI9OWjqxaJKAQnnmN88Uldr6QgfVVx31/LKk0vgZYlNwX6GSB8YBgI3aT3+dkcm WUGMXcb6Fnd8LgPOVniul63RHPs= X-Mailgun-Sending-Ip: 69.72.42.5 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 5fc7cd720f9adc18c75aae06 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 02 Dec 2020 17:22:58 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 78F57C43467; Wed, 2 Dec 2020 17:22:57 +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 379CFC43461; Wed, 2 Dec 2020 17:22:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 379CFC43461 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 v5 2/2] ASoC: qcom: Add support for playback recover after resume Date: Wed, 2 Dec 2020 22:52:28 +0530 Message-Id: <1606929748-16828-3-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1606929748-16828-1-git-send-email-srivasam@codeaurora.org> References: <1606929748-16828-1-git-send-email-srivasam@codeaurora.org> 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 do regcache sync with component driver pm ops. Signed-off-by: V Sujith Kumar Reddy Signed-off-by: Srinivasa Rao Mandadapu Reviewed-by: Srinivas Kandagatla Tested-by: Steev Klimaszewski --- sound/soc/qcom/lpass-platform.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 0e71899..12764a8 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -827,6 +827,39 @@ static void lpass_platform_pcm_free(struct snd_soc_component *component, } } +static int lpass_platform_pcmops_suspend(struct snd_soc_component *component) +{ + struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); + struct regmap *map; + unsigned int dai_id = component->id; + + if (dai_id == LPASS_DP_RX) + map = drvdata->hdmiif_map; + else + map = drvdata->lpaif_map; + + regcache_cache_only(map, true); + regcache_mark_dirty(map); + + return 0; +} + +static int lpass_platform_pcmops_resume(struct snd_soc_component *component) +{ + struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); + struct regmap *map; + unsigned int dai_id = component->id; + + if (dai_id == LPASS_DP_RX) + map = drvdata->hdmiif_map; + else + map = drvdata->lpaif_map; + + regcache_cache_only(map, false); + return regcache_sync(map); +} + + static const struct snd_soc_component_driver lpass_component_driver = { .name = DRV_NAME, .open = lpass_platform_pcmops_open, @@ -839,6 +872,8 @@ static const struct snd_soc_component_driver lpass_component_driver = { .mmap = lpass_platform_pcmops_mmap, .pcm_construct = lpass_platform_pcm_new, .pcm_destruct = lpass_platform_pcm_free, + .suspend = lpass_platform_pcmops_suspend, + .resume = lpass_platform_pcmops_resume, };