From patchwork Mon Sep 16 21:42:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 11147923 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 A40BC13BD for ; Mon, 16 Sep 2019 21:48:21 +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 36E60214D9 for ; Mon, 16 Sep 2019 21:48:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="BaRaAmMi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36E60214D9 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 6C5C31683; Mon, 16 Sep 2019 23:47:29 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6C5C31683 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1568670499; bh=BoVrlVrXoDduOMhueAfBkf86q0jnzFu5TqMWWKufFVU=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=BaRaAmMi9ZeCadxD2BasRVC7LLa2l8/PT4TL9goddlqxrOD6lJ920eC8dFp2P1TE6 8SFfnh79OmXVo4ZQTd1OhpwXKhZU8hy+ySiLDF8WR+4SDTfW92nPL1s5kolliyRe4J vMztN3WIuQuXhva7JCcxGUg/wDTiOwghhObbEabo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C3516F80636; Mon, 16 Sep 2019 23:43:57 +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 C33DEF80642; Mon, 16 Sep 2019 23:43:55 +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=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 D2F71F80638 for ; Mon, 16 Sep 2019 23:43:52 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D2F71F80638 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Sep 2019 14:43:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,514,1559545200"; d="scan'208";a="198480044" Received: from dgitin-mobl.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.251.142.45]) by orsmga002.jf.intel.com with ESMTP; 16 Sep 2019 14:43:48 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Mon, 16 Sep 2019 16:42:45 -0500 Message-Id: <20190916214251.13130-7-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190916214251.13130-1-pierre-louis.bossart@linux.intel.com> References: <20190916214251.13130-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: [alsa-devel] [RFC PATCH 06/12] soundwire: intel: add prepare support in sdw dai driver 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: Rander Wang It gets sdw runtime information from dai to prepare stream. Signed-off-by: Rander Wang Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/intel.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index bd87caa127b6..072757cd5cbf 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -710,6 +710,21 @@ static int intel_hw_params(struct snd_pcm_substream *substream, return ret; } +static int intel_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sdw_cdns_dma_data *dma; + + dma = snd_soc_dai_get_dma_data(dai, substream); + if (!dma) { + dev_err(dai->dev, "failed to get dma data in %s", + __func__); + return -EIO; + } + + return sdw_prepare_stream(dma->stream); +} + static int intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -756,6 +771,7 @@ static int intel_pdm_set_sdw_stream(struct snd_soc_dai *dai, static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .hw_params = intel_hw_params, + .prepare = intel_prepare, .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pcm_set_sdw_stream, @@ -763,6 +779,7 @@ static const struct snd_soc_dai_ops intel_pcm_dai_ops = { static const struct snd_soc_dai_ops intel_pdm_dai_ops = { .hw_params = intel_hw_params, + .prepare = intel_prepare, .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pdm_set_sdw_stream,