From patchwork Wed Jul 29 11:03:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brent Lu X-Patchwork-Id: 11690809 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 14774138C for ; Wed, 29 Jul 2020 11:10:03 +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 9C87D207E8 for ; Wed, 29 Jul 2020 11:10:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="U2xVz/ln" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9C87D207E8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=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 3697D16EA; Wed, 29 Jul 2020 13:09:12 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3697D16EA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1596021000; bh=TzSyS/8ZTCf+2AcaYlnspjOhQyWGxtY/lfD6N//xNcY=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=U2xVz/lnpTsGnYE7sO1Md2Qx5KnEbUwkB6lmNwT5d0xX4Fhqe+6vzCq6hOBbyBz3A MDXgLpLEdR03yz2/isG0LmBjoiaXjVXIAOixm0XFQLoQLt+KpaPl/UVxCpyxgYKnHH 77pjPAthqqm/EGf+qLAWOhhvoYNmytL9epRWZ24M= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E7B05F801ED; Wed, 29 Jul 2020 13:08:25 +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 AAB73F801ED; Wed, 29 Jul 2020 13:08:24 +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=RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,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 F189DF801D9 for ; Wed, 29 Jul 2020 13:08:10 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F189DF801D9 IronPort-SDR: JsaHRNXzj5OeF7FQTo6sjatntoVf5pe44N1AW3mZphFNq2mnagkyAQq0vBH/SzU7ZwlrOmp0uZ ufmZ8klYH5eA== X-IronPort-AV: E=McAfee;i="6000,8403,9696"; a="152630213" X-IronPort-AV: E=Sophos;i="5.75,410,1589266800"; d="scan'208";a="152630213" 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/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2020 04:08:09 -0700 IronPort-SDR: AO3PU3+cTojgJG5rY8AxheuIRFa8c/s1CriqdfLJlNmCXd1k+jDSYx07EzR4Jf0KMfS0YUkL9L idfCemrmoRLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,410,1589266800"; d="scan'208";a="490254770" Received: from brentlu-desk0.itwn.intel.com ([10.5.253.11]) by fmsmga006.fm.intel.com with ESMTP; 29 Jul 2020 04:08:04 -0700 From: Brent Lu To: alsa-devel@alsa-project.org Subject: [PATCH 1/2] ASoC: intel: atom: Add period size constraint Date: Wed, 29 Jul 2020 19:03:04 +0800 Message-Id: <1596020585-11517-2-git-send-email-brent.lu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596020585-11517-1-git-send-email-brent.lu@intel.com> References: <1596020585-11517-1-git-send-email-brent.lu@intel.com> Cc: Guennadi Liakhovetski , Cezary Rojewski , Kai Vehmanen , Kuninori Morimoto , linux-kernel@vger.kernel.org, Takashi Iwai , Jie Yang , Pierre-Louis Bossart , Liam Girdwood , Sam McNally , Mark Brown , Ranjani Sridharan , Yu-Hsuan Hsu , Daniel Stuart , Andy Shevchenko , Brent Lu , Damian van Soelen 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" Use constraint to enforce the period sizes which are validated in Android BSP. Signed-off-by: Brent Lu --- sound/soc/intel/atom/sst-mfld-platform-pcm.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index 49b9f18..f614651 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -300,6 +300,16 @@ static void power_down_sst(struct sst_runtime_stream *stream) stream->ops->power(sst->dev, false); } +static const unsigned int media_period_size[] = { + /* sizes validated on Android platform */ + 240, 320, 960, 3072 +}; + +static const struct snd_pcm_hw_constraint_list constraints_media_period_size = { + .count = ARRAY_SIZE(media_period_size), + .list = media_period_size, +}; + static int sst_media_open(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -333,6 +343,11 @@ static int sst_media_open(struct snd_pcm_substream *substream, if (ret_val < 0) return ret_val; + /* Avoid using period size which is not validated */ + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + &constraints_media_period_size); + /* Make sure, that the period size is always even */ snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS, 2);