From patchwork Tue Jun 14 07:08:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 12880519 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 8AD03C43334 for ; Tue, 14 Jun 2022 07:10:24 +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 7D9B1186E; Tue, 14 Jun 2022 09:09:32 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7D9B1186E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1655190622; bh=GC/A2SjBlztsHvLlZ8tf63JxqBUMLWhTshFRZpzc/hM=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=qQUYCkUuVIAgte5wbhfvvJwLJ3tlVU7lqlzQPrBP419o1JJyjGefvadqyBPhZr0KD JOU3OAcZjaF7Xd5AAY9polzihPeq5YSZcj2pCige5b0lGZzOIx6/f3d4NNoHi0tWSl lSPb82NgRhwHVwt8WQXoeggrLxw9hgCTDUR8AQZk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id DCED1F8052E; Tue, 14 Jun 2022 09:09:09 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id AB67BF8052F; Tue, 14 Jun 2022 09:09:08 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (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 F1A05F80137 for ; Tue, 14 Jun 2022 09:08:43 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F1A05F80137 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BOuSegyv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655190525; x=1686726525; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=GC/A2SjBlztsHvLlZ8tf63JxqBUMLWhTshFRZpzc/hM=; b=BOuSegyvaXA4Nw4VAnNcW3HhgSFCIhkKlmYG3+8moor4kp7IH4xVyA3J /IUfk/XoJP5uSyQ4WVmJffa9ucwRvJ3XlQ1/QSCGsOEPpC2DWopGv1Kuy DROTaJdKWEl0WggK8+xoruvUj+GankvZ7NgvdsgzIWFrM8JOXtndgsZpQ kiIIy+Fr39/wYyvfhKf18ZB+QQKkJcpJ9+u815xk1RN1HhnZzpQ0Agnoh eCbl1cWTcRS5ESOEI7YDMpYsC56M613l8zxqsPpb9sXN8WrapXZXtjUqu MULYmj088WMiXQKQqzZAueaLRUqOeLvXoOVpiuAPTlFc55++4mIJzIgyi g==; X-IronPort-AV: E=McAfee;i="6400,9594,10377"; a="279250045" X-IronPort-AV: E=Sophos;i="5.91,299,1647327600"; d="scan'208";a="279250045" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2022 00:08:32 -0700 X-IronPort-AV: E=Sophos;i="5.91,299,1647327600"; d="scan'208";a="640185936" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2022 00:08:29 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH 1/2] soundwire: Intel: add trigger callback Date: Tue, 14 Jun 2022 15:08:16 +0800 Message-Id: <20220614070817.2508-2-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220614070817.2508-1-yung-chuan.liao@linux.intel.com> References: <20220614070817.2508-1-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 --- 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 67e0d3e750b5..f638707fd712 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -119,6 +119,7 @@ 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); }; /**