From patchwork Mon Jun 22 21:23:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 11620153 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ED26D1392 for ; Tue, 23 Jun 2020 09:19:40 +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 8308F20768 for ; Tue, 23 Jun 2020 09:19:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="SI8GQR00" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8308F20768 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 DD9D2174C; Tue, 23 Jun 2020 11:18:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DD9D2174C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1592903978; bh=yg0uTm7lWQ6Bm0SUfduT5IML3b3RQDQ0b2LlMnaKYN4=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=SI8GQR00T7LI6yR91WObWvjeS6kLm/sIox+ImTT4b3DFQvc6rbi3A+e3MvBEe308b H9IMG9ERSlIdgRpUokstXCLpeuGleULjNVwDtD31+yMhB0Am7JzMQf77RX6AAPCUuQ G0zFcqodfKrGh+SmVLmVQ0wi6++lttpVynzK56S8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E64E4F80259; Tue, 23 Jun 2020 11:18:01 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id BE804F80259; Tue, 23 Jun 2020 11:17:57 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=DATE_IN_PAST_06_12, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=disabled version=3.4.0 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 00E2FF80218 for ; Tue, 23 Jun 2020 11:17:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 00E2FF80218 IronPort-SDR: a0Vgm98ZmzEoeC+/udwR1U6MU8MQMsvgDQZbf802Tu1Abvv7K6ZMj8+2S7E0Ahizxwpst72dsa iyShvKOUo6mA== X-IronPort-AV: E=McAfee;i="6000,8403,9660"; a="145508124" X-IronPort-AV: E=Sophos;i="5.75,270,1589266800"; d="scan'208";a="145508124" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2020 02:17:49 -0700 IronPort-SDR: vskMJucPb+R1VIzhuxMThdau6Tt1vUwQ0SpHfor7iHBG278CgZX3l6UxHx8+Ioyh64j10Dt5PJ OCwmQWfC44Ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,270,1589266800"; d="scan'208";a="293141975" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga002.jf.intel.com with ESMTP; 23 Jun 2020 02:17:45 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH 1/5] soundwire: intel: implement get_sdw_stream() operations Date: Tue, 23 Jun 2020 05:23:28 +0800 Message-Id: <20200622212332.16277-2-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200622212332.16277-1-yung-chuan.liao@linux.intel.com> References: <20200622212332.16277-1-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, slawomir.blauciak@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 This is needed to retrieve the information when the stream is allocated at the dai_link level. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 13d3877bc6bb..861beb785171 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1062,6 +1062,22 @@ static int intel_pdm_set_sdw_stream(struct snd_soc_dai *dai, return cdns_set_sdw_stream(dai, stream, false, direction); } +static void *intel_get_sdw_stream(struct snd_soc_dai *dai, + int direction) +{ + struct sdw_cdns_dma_data *dma; + + if (direction == SNDRV_PCM_STREAM_PLAYBACK) + dma = dai->playback_dma_data; + else + dma = dai->capture_dma_data; + + if (!dma) + return NULL; + + return dma->stream; +} + static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .startup = intel_startup, .hw_params = intel_hw_params, @@ -1070,6 +1086,7 @@ static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pcm_set_sdw_stream, + .get_sdw_stream = intel_get_sdw_stream, }; static const struct snd_soc_dai_ops intel_pdm_dai_ops = { @@ -1080,6 +1097,7 @@ static const struct snd_soc_dai_ops intel_pdm_dai_ops = { .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pdm_set_sdw_stream, + .get_sdw_stream = intel_get_sdw_stream, }; static const struct snd_soc_component_driver dai_component = {