From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jie Yang Subject: [PATCH v2 4/4] ASoC: Intel: Start with all memory banks disabled Date: Mon, 14 Jul 2014 17:11:12 +0800 Message-ID: <1405329072-28679-5-git-send-email-yang.jie@intel.com> References: <1405329072-28679-1-git-send-email-yang.jie@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id 680352619D9 for ; Mon, 14 Jul 2014 11:12:19 +0200 (CEST) In-Reply-To: <1405329072-28679-1-git-send-email-yang.jie@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org Cc: mengdong.lin@intel.com, broonie@kernel.org, liam.r.girdwood@intel.com List-Id: alsa-devel@alsa-project.org All required banks are enabled during boot procedure. Signed-off-by: Jie Yang --- sound/soc/intel/sst-haswell-dsp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/intel/sst-haswell-dsp.c b/sound/soc/intel/sst-haswell-dsp.c index 61dbf91..1819327 100644 --- a/sound/soc/intel/sst-haswell-dsp.c +++ b/sound/soc/intel/sst-haswell-dsp.c @@ -518,8 +518,9 @@ static int hsw_init(struct sst_dsp *sst, struct sst_pdata *pdata) } } - /* set default power gating mask */ - writel(0x0, sst->addr.pci_cfg + SST_VDRTCTL0); + /* set default power gating control, enable power gating control for all blocks. that is, + can't be accessed, please enable each block before accessing. */ + writel(0xffffffff, sst->addr.pci_cfg + SST_VDRTCTL0); return 0; } -- 1.8.3.2