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[v2,4/4] ASoC: Intel: Start with all memory banks disabled

Message ID 1405329072-28679-5-git-send-email-yang.jie@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jie, Yang July 14, 2014, 9:11 a.m. UTC 
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(-)

Comments

Mark Brown July 14, 2014, 6:13 p.m. UTC | #1 
On Mon, Jul 14, 2014 at 05:11:12PM +0800, Jie Yang wrote:
> All required banks are enabled during boot procedure.

Applied, thanks.
diff mbox

Patch

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;
 }