From patchwork Thu Sep 3 20:47:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liao, Bard" X-Patchwork-Id: 291825 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=BAYES_00, DATE_IN_PAST_06_12, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6016C433E2 for ; Fri, 4 Sep 2020 08:46:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2DEF320791 for ; Fri, 4 Sep 2020 08:46:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="ijZMo3Ne" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2DEF320791 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 A788E1AE8; Fri, 4 Sep 2020 10:45:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A788E1AE8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1599209194; bh=P0GPtWGL6s2J5KEW3CPzE3w+2OucpuhyEkEHvt6sN+s=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ijZMo3NeTe00TKupQw2PeUCQ/8kI9ed7KELBk0Ix/M0SNtq38GsNJBI1kUzu9gLnd vqdrLXsMx2iaCWxhUSGqKsfopNVvug8e9I1xzy4VA8pn3RtnaysvNyZ+dLvvd74cI4 kx4IIjY71WKN0ESbBKHR5Y4MH/zPedFfc2yNpRN4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 34329F801DA; Fri, 4 Sep 2020 10:41:47 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id AD2F7F80306; Fri, 4 Sep 2020 10:41:44 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (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 0E818F802E0 for ; Fri, 4 Sep 2020 10:41:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0E818F802E0 IronPort-SDR: miAKrA5yu/k3RumDybudcDu9BIZCuPK0HiUAfziqOKjLmHu0SxYCTFIwm0Z7GJ+y0TSpPqFQ6B d5WwGKbGPYvQ== X-IronPort-AV: E=McAfee;i="6000,8403,9733"; a="175765424" X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="175765424" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 01:41:37 -0700 IronPort-SDR: +41t/VS2hSWWaxdGLnWlVJ1+O3XYm7q28Gwb7SqZ22y47R7HThh6ts1dka0oIUXikUWt38SVzs 2JGHGtx5eT8A== X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="284358934" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 01:41:34 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v2 4/4] soundwire: intel: remove stream handling from .prepare and .hw_free Date: Fri, 4 Sep 2020 04:47:39 +0800 Message-Id: <20200903204739.31206-5-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200903204739.31206-1-yung-chuan.liao@linux.intel.com> References: <20200903204739.31206-1-yung-chuan.liao@linux.intel.com> Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, mengdong.lin@intel.com, sanyog.r.kale@intel.com, rander.wang@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" From: Pierre-Louis Bossart Now that the stream is handled at the dai-link level (in the machine driver), we can remove the stream handling at the dai level. We still need these callbacks to perform dai-level resource handling (i.e. addition/removal of a master). Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index d208c49b157a..a254f271acf2 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -967,7 +967,7 @@ static int intel_prepare(struct snd_pcm_substream *substream, struct sdw_intel *sdw = cdns_to_intel(cdns); struct sdw_cdns_dma_data *dma; int ch, dir; - int ret; + int ret = 0; dma = snd_soc_dai_get_dma_data(dai, substream); if (!dma) { @@ -1003,13 +1003,8 @@ static int intel_prepare(struct snd_pcm_substream *substream, dma->hw_params, sdw->instance, dma->pdi->intel_alh_id); - if (ret) - goto err; } - ret = sdw_prepare_stream(dma->stream); - -err: return ret; } @@ -1025,12 +1020,12 @@ intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) if (!dma) return -EIO; - ret = sdw_deprepare_stream(dma->stream); - if (ret) { - dev_err(dai->dev, "sdw_deprepare_stream: failed %d", ret); - return ret; - } - + /* + * The sdw stream state will transition to RELEASED when stream-> + * master_list is empty. So the stream state will transition to + * DEPREPARED for the first cpu-dai and to RELEASED for the last + * cpu-dai. + */ ret = sdw_stream_remove_master(&cdns->bus, dma->stream); if (ret < 0) { dev_err(dai->dev, "remove master from stream %s failed: %d\n",