From patchwork Fri Nov 1 17:09:15 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: 11223445 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 1F0CF1668 for ; Fri, 1 Nov 2019 17:13:38 +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 A2B8A21897 for ; Fri, 1 Nov 2019 17:13:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="WpzPDY4V" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2B8A21897 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 B4C6E234B; Fri, 1 Nov 2019 18:12:45 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B4C6E234B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1572628415; bh=b18DsHOrZhlWkyCh7l9tqtXtqDwu05wz/qBvWy1mxww=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=WpzPDY4VcdSpkwVh6e2Ce7QQ6P+msFucd38tXJ6hveR3ovlZdS49My6ajikuFgFQg q0EcPvdD+avDMUkE7HQuA9utzwFBOCU2yjqSTs8KmNsz/F8Uiz2grscgOFK8PcB5Nn EkLOz+3PMR3GzsTkwYIQT47zPGQh9HkvpZeFZlSI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 6451DF805FB; Fri, 1 Nov 2019 18:10:21 +0100 (CET) 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 9E7A6F80638; Fri, 1 Nov 2019 18:10:19 +0100 (CET) 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, SURBL_BLOCKED,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (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 B8914F805FB for ; Fri, 1 Nov 2019 18:09:28 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B8914F805FB X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Nov 2019 10:09:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,256,1569308400"; d="scan'208";a="226090213" Received: from ggarreto-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.255.92.243]) by fmsmga004.fm.intel.com with ESMTP; 01 Nov 2019 10:09:23 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Fri, 1 Nov 2019 12:09:15 -0500 Message-Id: <20191101170916.26517-3-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191101170916.26517-1-pierre-louis.bossart@linux.intel.com> References: <20191101170916.26517-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: tiwai@suse.de, broonie@kernel.org, Keyon Jie , Pierre-Louis Bossart Subject: [alsa-devel] [PATCH 2/3] ASoC: SOF: Intel: hda: set L1SEN on S0ix suspend 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: Keyon Jie Set L1SEN to make sure the system can enter S0ix, and restore it on resume. Signed-off-by: Keyon Jie Signed-off-by: Pierre-Louis Bossart --- sound/soc/sof/intel/hda-dsp.c | 15 +++++++++++++++ sound/soc/sof/intel/hda.h | 3 +++ 2 files changed, 18 insertions(+) diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c index d23573d9e9c4..3a54edd017fe 100644 --- a/sound/soc/sof/intel/hda-dsp.c +++ b/sound/soc/sof/intel/hda-dsp.c @@ -477,9 +477,16 @@ static int hda_resume(struct snd_sof_dev *sdev, bool runtime_resume) int hda_dsp_resume(struct snd_sof_dev *sdev) { + struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; struct pci_dev *pci = to_pci_dev(sdev->dev); if (sdev->s0_suspend) { + /* restore L1SEN bit */ + if (hda->l1_support_changed) + snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, + HDA_VS_INTEL_EM2, + HDA_VS_INTEL_EM2_L1SEN, 0); + /* restore and disable the system wakeup */ pci_restore_state(pci); disable_irq_wake(pci->irq); @@ -517,11 +524,19 @@ int hda_dsp_runtime_suspend(struct snd_sof_dev *sdev) int hda_dsp_suspend(struct snd_sof_dev *sdev) { + struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; struct hdac_bus *bus = sof_to_bus(sdev); struct pci_dev *pci = to_pci_dev(sdev->dev); int ret; if (sdev->s0_suspend) { + /* enable L1SEN to make sure the system can enter S0Ix */ + hda->l1_support_changed = + snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, + HDA_VS_INTEL_EM2, + HDA_VS_INTEL_EM2_L1SEN, + HDA_VS_INTEL_EM2_L1SEN); + /* enable the system waking up via IPC IRQ */ enable_irq_wake(pci->irq); pci_save_state(pci); diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 5ad73a34b09c..18d7e72bf9b7 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -408,6 +408,9 @@ struct sof_intel_hda_dev { int irq; + /* PM related */ + bool l1_support_changed;/* during suspend, is L1SEN changed or not */ + /* DMIC device */ struct platform_device *dmic_dev; };