From patchwork Fri Oct 9 08:01:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 7359681 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 414A8BEEA4 for ; Fri, 9 Oct 2015 08:04:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 777C620888 for ; Fri, 9 Oct 2015 08:04:12 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 7FD59207CB for ; Fri, 9 Oct 2015 08:04:10 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 9C4FC26687E; Fri, 9 Oct 2015 10:04:04 +0200 (CEST) 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 [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 79A77265158; Fri, 9 Oct 2015 10:02:52 +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 5E929266891; Fri, 9 Oct 2015 10:02:51 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by alsa0.perex.cz (Postfix) with ESMTP id 7B635265158 for ; Fri, 9 Oct 2015 10:02:15 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 09 Oct 2015 01:02:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,657,1437462000"; d="scan'208";a="822965930" Received: from vkoul-mobl.iind.intel.com ([10.252.8.234]) by fmsmga002.fm.intel.com with ESMTP; 09 Oct 2015 01:02:11 -0700 From: Vinod Koul To: alsa-devel@alsa-project.org Date: Fri, 9 Oct 2015 09:01:51 +0100 Message-Id: <1444377711-9720-5-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1444377711-9720-1-git-send-email-vinod.koul@intel.com> References: <1444377711-9720-1-git-send-email-vinod.koul@intel.com> Cc: liam.r.girdwood@linux.intel.com, patches.audio@intel.com, broonie@kernel.org, Vinod Koul , Jeeja KP Subject: [alsa-devel] [PATCH 4/4] ASoC: Intel: Skylake: power down all link in 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 From: Jeeja KP This ensures that the link is not requesting any clock and the PLL can turn off. The link is powered when controller is brought out of reset. Signed-off-by: Jeeja KP Signed-off-by: Vinod Koul --- sound/soc/intel/skylake/skl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index ca135b8ab5c0..5319529aedf7 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -173,6 +173,9 @@ static int skl_runtime_suspend(struct device *dev) /* enable controller wake up event */ snd_hdac_chip_updatew(bus, WAKEEN, 0, STATESTS_INT_MASK); + + snd_hdac_ext_bus_link_power_down_all(ebus); + ret = skl_suspend_dsp(skl); if (ret < 0) return ret;