From: Jie Yang <yang.jie@intel.com>
Date: Mon, 14 Jul 2014 09:11:12 +0000 (+0800)
Subject: ASoC: Intel: Start with all memory banks disabled
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=85e63007bbef7abc7145c807ed59d01738e09d39;p=openwrt%2Fstaging%2Fblogic.git

ASoC: Intel: Start with all memory banks disabled

All required banks are enabled during boot procedure.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/sound/soc/intel/sst-haswell-dsp.c b/sound/soc/intel/sst-haswell-dsp.c
index 40bb0205d5c0..977e29779d11 100644
--- a/sound/soc/intel/sst-haswell-dsp.c
+++ b/sound/soc/intel/sst-haswell-dsp.c
@@ -505,8 +505,9 @@ 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;
 }