From patchwork Fri Jun 24 08:03:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 12894101 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 28285CCA485 for ; Fri, 24 Jun 2022 08:05:19 +0000 (UTC) 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 B1DA51890; Fri, 24 Jun 2022 10:04:26 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B1DA51890 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1656057916; bh=N1OdtKSVVQMXdLqtlI8pydyLFbv3TZ/I8+nKmC27KvE=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=QmPrFt1U7ykmY4KjbxzjULBEy+hqRvih11ScKEJg25Qf8wMUcIbo3RhikiTqkwYHa F/jySUJRtnOLDj4C81M32PbzuY7/xQ+lisnbcGG5hx1axMSv2BscCtXGGVmerzj9oG 4AL8G/tG+kZE+eB9nBPPtebLfzg7MWQ+xjDj0uvU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id DDB72F80137; Fri, 24 Jun 2022 10:04:01 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1AA69F80246; Fri, 24 Jun 2022 10:04:00 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 02064F80137 for ; Fri, 24 Jun 2022 10:03:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 02064F80137 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Pftvi5zq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656057834; x=1687593834; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=N1OdtKSVVQMXdLqtlI8pydyLFbv3TZ/I8+nKmC27KvE=; b=Pftvi5zqeh6HDHz0xfpgptrz/ZWVRrrznt24h3m4dEOSC3nRlS78CaVu BLpniH1l/Pdy66hr8ZRbU9SjIGZtlS6FNLdm6XER6orZNG7oF6GdPhZef ON84nlOwqZwKkEUnyS2O/2enunkp2V9UW3LSklm2oc6vHf8008pVBV9pX SWjeteZGEB3ev6Ll3LsZ4HRBOBwDIDXEGmcwKFtmBlmgWDN3fEiCC29xo 2lkhmw5EbIvxH/AWVRC1+3+gclLbzjqKreThMC/HK8y6KoymR9DqHuNum Pw23le669FmX3KyP5FFuWzidIGbP4JioEdWyJGZeGvvP3ySMWzcywCOO+ g==; X-IronPort-AV: E=McAfee;i="6400,9594,10387"; a="261375946" X-IronPort-AV: E=Sophos;i="5.92,218,1650956400"; d="scan'208";a="261375946" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2022 01:03:44 -0700 X-IronPort-AV: E=Sophos;i="5.92,218,1650956400"; d="scan'208";a="621643189" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2022 01:03:42 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v3 1/2] soundwire: Intel: add trigger callback Date: Fri, 24 Jun 2022 16:03:25 +0800 Message-Id: <20220624080326.29139-2-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220624080326.29139-1-yung-chuan.liao@linux.intel.com> References: <20220624080326.29139-1-yung-chuan.liao@linux.intel.com> Cc: vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, sanyog.r.kale@intel.com, bard.liao@intel.com 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" When a pipeline is split into FE and BE parts, the BE pipeline may need to be triggered separately in the BE trigger op. So add the trigger callback in the link_res ops that will be invoked during BE DAI trigger. Signed-off-by: Bard Liao Reviewed-by: Rander Wang Reviewed-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Acked-by: Vinod Koul --- drivers/soundwire/intel.c | 9 +++++++++ include/linux/soundwire/sdw_intel.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 505c5ef061e3..8531060a774e 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1004,9 +1004,18 @@ static int intel_trigger(struct snd_pcm_substream *substream, int cmd, struct sn { struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); struct sdw_intel *sdw = cdns_to_intel(cdns); + struct sdw_intel_link_res *res = sdw->link_res; struct sdw_cdns_dma_data *dma; int ret = 0; + /* + * The .trigger callback is used to send required IPC to audio + * firmware. The .free_stream callback will still be called + * by intel_free_stream() in the TRIGGER_SUSPEND case. + */ + if (res->ops && res->ops->trigger) + res->ops->trigger(dai, cmd, substream->stream); + dma = snd_soc_dai_get_dma_data(dai, substream); if (!dma) { dev_err(dai->dev, "failed to get dma data in %s\n", diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index b5b489ea1aef..ec16ae49e6a4 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -121,6 +121,7 @@ struct sdw_intel_ops { struct sdw_intel_stream_params_data *params_data); int (*free_stream)(struct device *dev, struct sdw_intel_stream_free_data *free_data); + int (*trigger)(struct snd_soc_dai *dai, int cmd, int stream); }; /**