From patchwork Thu Jun 16 01:17:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liao, Bard" X-Patchwork-Id: 582275 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 B3237C43334 for ; Thu, 16 Jun 2022 01:19:51 +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 C6C541AAE; Thu, 16 Jun 2022 03:18:59 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C6C541AAE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1655342389; bh=mHnKBRNcSwTkjbN8gxud9J1YwFKM2VUFALT+r+byS0k=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=GMzg4Llts6Y3HEHVBTfMB0k8NpqtfgVSPl3SHxrIg/Jakv7W5T8VbEGv74FMz50cV D2oMojD4/Wrv/yL61xooDlD9YtqIyEh5f+D45kPO0hCBrLrl/j+pj3WO6VUqHO79LD L7hWWHoAMbGKFz0E3FrV5lxOm48s7OIv5R30heWY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id F15D4F8016C; Thu, 16 Jun 2022 03:18:30 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A064BF8016C; Thu, 16 Jun 2022 03:18:26 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 D76CCF8012B for ; Thu, 16 Jun 2022 03:18:19 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D76CCF8012B Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="deGL45Xh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655342301; x=1686878301; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=mHnKBRNcSwTkjbN8gxud9J1YwFKM2VUFALT+r+byS0k=; b=deGL45XhlnkGKaSMXe9RWKQy4r8KfIQRTkHL7UTM7GI1F/Ko5qa3Sjlp D5WIIbXoCAIzxTM7tUAy9xazXRJJqSX6XO+qEKIUDaxyhNsPs9sW/zOOE Fl6rY2pHhzygdmUteCgKPl4QdVXj1+wTCYDwXC8QgXuWvZjzZJPRSYHf2 s9AwGJOlSgaEVfem2qq6tl448r9MwflBPuY1xQCMwwYVZ2ZW2QLQj+O+y bLEDVOe320N98zcg1Nblc5BOc/E9w0iCLv6hdXLBcQiFxT6SyWtC5JGds rAlsrjDz1EtlLqHhdrUBwtAQHLJaqPt+loZOACkTrqxqz2okF0clBPUfD w==; X-IronPort-AV: E=McAfee;i="6400,9594,10379"; a="279195957" X-IronPort-AV: E=Sophos;i="5.91,302,1647327600"; d="scan'208";a="279195957" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2022 18:18:12 -0700 X-IronPort-AV: E=Sophos;i="5.91,302,1647327600"; d="scan'208";a="911939304" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2022 18:18:09 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v2 1/2] soundwire: Intel: add trigger callback Date: Thu, 16 Jun 2022 09:17:57 +0800 Message-Id: <20220616011758.21155-2-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220616011758.21155-1-yung-chuan.liao@linux.intel.com> References: <20220616011758.21155-1-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, ranjani.sridharan@linux.intel.com, sanyog.r.kale@intel.com, peter.ujfalusi@linux.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 | 8 ++++++++ include/linux/soundwire/sdw_intel.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 505c5ef061e3..2e7c27d303b4 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1004,9 +1004,17 @@ 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); }; /**