From patchwork Wed Apr 18 10:59:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 10347861 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D1E3060365 for ; Wed, 18 Apr 2018 10:56:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C42B2285DB for ; Wed, 18 Apr 2018 10:56:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B8829285E0; Wed, 18 Apr 2018 10:56:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E376B285DB for ; Wed, 18 Apr 2018 10:56:05 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id C08F02676AB; Wed, 18 Apr 2018 12:55:06 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 6B6D62676C3; Wed, 18 Apr 2018 12:55:03 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by alsa0.perex.cz (Postfix) with ESMTP id 9E49D2676AD for ; Wed, 18 Apr 2018 12:54:59 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Apr 2018 03:54:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,464,1517904000"; d="scan'208";a="44218310" Received: from vkoul-udesk7.iind.intel.com ([10.223.84.143]) by orsmga003.jf.intel.com with ESMTP; 18 Apr 2018 03:54:56 -0700 From: Vinod Koul To: Greg KH Date: Wed, 18 Apr 2018 16:29:01 +0530 Message-Id: <1524049146-8725-9-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1524049146-8725-1-git-send-email-vinod.koul@intel.com> References: <1524049146-8725-1-git-send-email-vinod.koul@intel.com> Cc: ALSA , tiwai@suse.de, Pierre-Louis Bossart , liam.r.girdwood@linux.intel.com, patches.audio@intel.com, broonie@kernel.org, Shreyas NC , Vinod Koul Subject: [alsa-devel] [PATCH v4 08/13] ASoC: Add SoundWire stream programming interface X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shreyas NC SoundWire stream needs to be propagated to all the DAIs(cpu, codec). So, add a snd_soc_dai_set_sdw_stream() API for the same. Signed-off-by: Shreyas NC Signed-off-by: Vinod Koul --- include/sound/soc-dai.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 8ad11669e4d8..e654427b6885 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -170,6 +170,8 @@ struct snd_soc_dai_ops { unsigned int rx_num, unsigned int *rx_slot); int (*set_tristate)(struct snd_soc_dai *dai, int tristate); + int (*set_sdw_stream)(struct snd_soc_dai *dai, + void *stream, int direction); /* * DAI digital mute - optional. * Called by soc-core to minimise any pops. @@ -358,4 +360,25 @@ static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai) return dev_get_drvdata(dai->dev); } +/** + * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation + * @dai: DAI + * @stream: STREAM + * @direction: Stream direction(Playback/Capture) + * SoundWire subsystem doesn't have a notion of direction and we reuse + * the ASoC stream direction to configure sink/source ports. + * Playback maps to source on the TX and sink on Rx. Vice-versa for Capture. + * + * This should be invoked with NULL to clear the stream set previously. + * Returns 0 on success, a negative error code otherwise. + */ +static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai, + void *stream, int direction) +{ + if (dai->driver->ops->set_sdw_stream) + return dai->driver->ops->set_sdw_stream(dai, stream, direction); + else + return -ENOTSUPP; +} + #endif