From patchwork Fri Dec 11 06:44:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 7826661 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 52EAABEEE1 for ; Fri, 11 Dec 2015 06:49:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 979962056E for ; Fri, 11 Dec 2015 06:49:14 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id B294820527 for ; Fri, 11 Dec 2015 06:49:13 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 47CAF2664D6; Fri, 11 Dec 2015 07:49:06 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 60F9926655E; Fri, 11 Dec 2015 07:43:59 +0100 (CET) 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 1D996266640; Fri, 11 Dec 2015 07:43:56 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by alsa0.perex.cz (Postfix) with ESMTP id C8EC52657D8 for ; Fri, 11 Dec 2015 07:41:53 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP; 10 Dec 2015 22:41:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,412,1444719600"; d="scan'208";a="871434411" Received: from vkoul-udesk7.iind.intel.com ([10.223.84.135]) by fmsmga002.fm.intel.com with ESMTP; 10 Dec 2015 22:41:50 -0800 From: Vinod Koul To: alsa-devel@alsa-project.org Date: Fri, 11 Dec 2015 12:14:23 +0530 Message-Id: <1449816267-11910-11-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1449816267-11910-1-git-send-email-vinod.koul@intel.com> References: <1449816267-11910-1-git-send-email-vinod.koul@intel.com> Cc: tiwai@suse.de, Jayachandran B , patches.audio@intel.com, liam.r.girdwood@linux.intel.com, Vinod Koul , broonie@kernel.org, "Subhransu S. Prusty" Subject: [alsa-devel] [PATCH 10/14] ASoC: Intel: Skylake: manage link power in active suspend 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 When device enters active suspend, we should turn off the links as they are not in use. Similarly we need to bring back links when we exit active suspend. Signed-off-by: Jayachandran B Signed-off-by: Subhransu S. Prusty Signed-off-by: Vinod Koul --- sound/soc/intel/skylake/skl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 4696254c6743..99d6e5bf5f4c 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -194,6 +194,7 @@ static int skl_suspend(struct device *dev) * running, we need to save the state for these and continue */ if (skl->supend_active) { + snd_hdac_ext_bus_link_power_down_all(ebus); pci_save_state(pci); pci_disable_device(pci); return 0; @@ -216,6 +217,7 @@ static int skl_resume(struct device *dev) if (skl->supend_active) { pci_restore_state(pci); ret = pci_enable_device(pci); + snd_hdac_ext_bus_link_power_up_all(ebus); } else { ret = _skl_resume(ebus); }