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 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 6B753CA9EB9 for ; Wed, 23 Oct 2019 21:29:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 402D62084C for ; Wed, 23 Oct 2019 21:29:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407524AbfJWV3D (ORCPT ); Wed, 23 Oct 2019 17:29:03 -0400 Received: from mga09.intel.com ([134.134.136.24]:24158 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392604AbfJWV24 (ORCPT ); Wed, 23 Oct 2019 17:28:56 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Oct 2019 14:28:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,222,1569308400"; d="scan'208";a="399541227" Received: from ayamada-mobl1.gar.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.254.95.208]) by fmsmga006.fm.intel.com with ESMTP; 23 Oct 2019 14:28:55 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao , Rander Wang , Ranjani Sridharan , Pierre-Louis Bossart , Sanyog Kale Subject: [PATCH 10/14] soundwire: intel: add prepare support in sdw dai driver Date: Wed, 23 Oct 2019 16:28:19 -0500 Message-Id: <20191023212823.608-11-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191023212823.608-1-pierre-louis.bossart@linux.intel.com> References: <20191023212823.608-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 492684ba08c3..c50aebda7f4d 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -697,6 +697,21 @@ 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) { @@ -743,6 +758,7 @@ 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, @@ -750,6 +766,7 @@ 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, -- 2.20.1