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 40bb0205d5c0bf615ff949f5bc123281e2c36068..977e29779d1128d48fbd88051837ed12eee533e5 100644 (file)
--- 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;
 }