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>

1 files changed, 3 insertions, 2 deletions

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;
 }