From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E774C433EF for ; Tue, 14 Jun 2022 07:08:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353047AbiFNHIm (ORCPT ); Tue, 14 Jun 2022 03:08:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353222AbiFNHIc (ORCPT ); Tue, 14 Jun 2022 03:08:32 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54B8631901 for ; Tue, 14 Jun 2022 00:08:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655190512; x=1686726512; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=GC/A2SjBlztsHvLlZ8tf63JxqBUMLWhTshFRZpzc/hM=; b=krT9bU6rZaQEe7UjTPN4ry/sjLYg98N3V0Kio5P7xw9sWxrGV+ILpT23 Wt5KjBa8slYLxf5CwIUED81Cm2Q6dhHXqVAX8TLr/OBp66Ag73gjtn/nw CqFHtyh8JNaJPqIGlQfh/6ppSsaHfapAwMfnKrhjGFUlVHAQWDDk3zx+B xSdFXfC8YaNKy7E1LcGiSpR97mAGP8WWlJq/LajMboR3iLxgdl+rJFvdU vBQvo+0cdMvCt06T3pmDXP+jqTo7ucb3bhOHaKfSgh0S6Jtgadf/DSkTS wPqJ0CdYpzirJ3eDtMA34fRdkiFxWb+1yfHaCsItoDuDExtXFO+KOWJ0g g==; X-IronPort-AV: E=McAfee;i="6400,9594,10377"; a="258363539" X-IronPort-AV: E=Sophos;i="5.91,299,1647327600"; d="scan'208";a="258363539" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.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 Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org, srinivas.kandagatla@linaro.org, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, bard.liao@intel.com 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> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); }; /** -- 2.17.1