From patchwork Fri Feb 17 12:41:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13144660 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 593D7C636D4 for ; Fri, 17 Feb 2023 12:44:09 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 90C67F18; Fri, 17 Feb 2023 13:43:16 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 90C67F18 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1676637846; bh=h/jiWEOZsffwI+IMKkal/xKUjU/a6RIroqiEYcdfC9s=; h=From:To:Subject:Date:In-Reply-To:References:CC:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=sf7ELBZJx7eusomP0hW2vwZCbkHrjMh92PO2npV+x8LO9QaqY3QoU8hyEcJW78Ljl oSzM2M/rC6su4WTBK1DfRGo5YfN9ilc3bw4Y0xCddvheZeBjbLyzemqUrfVNpuHrwS QhFeAgL3CtxVop2VQs2xLNB3qbrGTec4LZTn0Tn0= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 9618DF804B2; Fri, 17 Feb 2023 13:42:27 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id F3B7BF800AA; Fri, 17 Feb 2023 13:42:22 +0100 (CET) Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 51483F800B6 for ; Fri, 17 Feb 2023 13:42:12 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 51483F800B6 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=microchip.com header.i=@microchip.com header.a=rsa-sha256 header.s=mchp header.b=iF5slHV8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1676637733; x=1708173733; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=h/jiWEOZsffwI+IMKkal/xKUjU/a6RIroqiEYcdfC9s=; b=iF5slHV8GVol0jPuEpZocXm53u9HEaPSs6GHJ2u0uWwjlJs1fKGHMaWH YuVXgbfkB3FSxHdkOcjWjv1zm9Bb6u0uh2XpMXcDztrfcBCaOR0+V7I4m O3cUHQa85wJRdl59ZoX4nOMR4j+ihIizlXXX9z1sNGAj/jaAjJDyMxxJ2 uy+2wcoeOvmGShZPKR3czrbIPnoiq2l9RZPjnsW3zuFHX/DJq/yVKyyH0 hWC4aWGwUsvkRnTlAMZqSlsglK1txBHd//oqiqw+S2QM7JoAaI6G6lBNH X1HfqwNxpQUJVgBRP0RE5/76e2CrAMBfrDOwZuLrokT5zc3CnoQvy9dQB Q==; X-IronPort-AV: E=Sophos;i="5.97,304,1669100400"; d="scan'208";a="137771533" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 Feb 2023 05:42:11 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Fri, 17 Feb 2023 05:42:07 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Fri, 17 Feb 2023 05:42:03 -0700 From: Claudiu Beznea To: , , , , , , , Subject: [PATCH v2 1/3] ASoC: soc-pcm: add option to start DMA after DAI Date: Fri, 17 Feb 2023 14:41:49 +0200 Message-ID: <20230217124151.236216-2-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230217124151.236216-1-claudiu.beznea@microchip.com> References: <20230217124151.236216-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 Message-ID-Hash: GSBTLU5BBAIYYUJAMFFHRYONPUDWMUMA X-Message-ID-Hash: GSBTLU5BBAIYYUJAMFFHRYONPUDWMUMA X-MailFrom: Claudiu.Beznea@microchip.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Claudiu Beznea X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add option to start DMA component after DAI trigger. This is done by filling the new struct snd_soc_component_driver::start_dma_last. Signed-off-by: Claudiu Beznea --- include/sound/soc-component.h | 2 ++ sound/soc/soc-pcm.c | 27 ++++++++++++++++++++++----- 2 files changed, 24 insertions(+), 5 deletions(-) diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h index 3203d35bc8c1..0814ed143864 100644 --- a/include/sound/soc-component.h +++ b/include/sound/soc-component.h @@ -190,6 +190,8 @@ struct snd_soc_component_driver { bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */ int be_pcm_base; /* base device ID for all BE PCMs */ + unsigned int start_dma_last; + #ifdef CONFIG_DEBUG_FS const char *debugfs_prefix; #endif diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 005b179a770a..5eb056b942ce 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1088,22 +1088,39 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - int ret = -EINVAL, _ret = 0; + struct snd_soc_component *component; + int ret = -EINVAL, _ret = 0, start_dma_last = 0, i; int rollback = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + /* Do we need to start dma last? */ + for_each_rtd_components(rtd, i, component) { + if (component->driver->start_dma_last) { + start_dma_last = 1; + break; + } + } + ret = snd_soc_link_trigger(substream, cmd, 0); if (ret < 0) goto start_err; - ret = snd_soc_pcm_component_trigger(substream, cmd, 0); - if (ret < 0) - goto start_err; + if (start_dma_last) { + ret = snd_soc_pcm_dai_trigger(substream, cmd, 0); + if (ret < 0) + goto start_err; + + ret = snd_soc_pcm_component_trigger(substream, cmd, 0); + } else { + ret = snd_soc_pcm_component_trigger(substream, cmd, 0); + if (ret < 0) + goto start_err; - ret = snd_soc_pcm_dai_trigger(substream, cmd, 0); + ret = snd_soc_pcm_dai_trigger(substream, cmd, 0); + } start_err: if (ret < 0) rollback = 1;