All required banks are enabled during boot procedure.
Signed-off-by: Jie Yang yang.jie@intel.com --- 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 cc58b31..59c85a8 100644 --- a/sound/soc/intel/sst-haswell-dsp.c +++ b/sound/soc/intel/sst-haswell-dsp.c @@ -523,8 +523,9 @@ 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; }