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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 3805CC1975A for ; Thu, 12 Mar 2020 19:35:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16601206E9 for ; Thu, 12 Mar 2020 19:35:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727073AbgCLTfR (ORCPT ); Thu, 12 Mar 2020 15:35:17 -0400 Received: from mga05.intel.com ([192.55.52.43]:45900 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726599AbgCLTfQ (ORCPT ); Thu, 12 Mar 2020 15:35:16 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Mar 2020 12:35:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,545,1574150400"; d="scan'208";a="243142723" Received: from unknown (HELO pbossart-mobl3.amr.corp.intel.com) ([10.251.241.169]) by orsmga003.jf.intel.com with ESMTP; 12 Mar 2020 12:35:13 -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 , Hui Wang , Pierre-Louis Bossart , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Kai Vehmanen , YueHaibing , Zhu Yingjiang , Daniel Baluta Subject: [PATCH 08/10] ASoC: SOF: Intel: hda: add parameter to control SoundWire clock stop quirks Date: Thu, 12 Mar 2020 14:33:44 -0500 Message-Id: <20200312193346.3264-9-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200312193346.3264-1-pierre-louis.bossart@linux.intel.com> References: <20200312193346.3264-1-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 Add module parameter so that the different modes can be quickly tested. Signed-off-by: Pierre-Louis Bossart --- sound/soc/sof/intel/hda.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index f7e5371789f2..32b02d3b6536 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -40,6 +40,16 @@ #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) +/* + * The default for SoundWire clock stop quirks is to power gate the IP + * and do a Bus Reset, this will need to be modified when the DSP + * needs to remain in D0i3 so that the Master does not lose context + * and enumeration is not required on clock restart + */ +static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; +module_param(sdw_clock_stop_quirks, int, 0444); +MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); + static int sdw_params_stream(struct device *dev, struct sdw_intel_stream_params_data *params_data) { @@ -149,6 +159,7 @@ static int hda_sdw_probe(struct snd_sof_dev *sdev) res.parent = sdev->dev; res.ops = &sdw_callback; res.dev = sdev->dev; + res.clock_stop_quirks = sdw_clock_stop_quirks; /* * ops and arg fields are not populated for now, -- 2.20.1