[alsa-devel] [PATCH 6/7] ASoC: Intel: Skylake: Update DSP stall bits

Vinod Koul vinod.koul at intel.com
Mon Jun 13 14:29:03 CEST 2016


From: Jayachandran B <jayachandran.b at intel.com>

The stall bits needs to comprehend the number of DSP cores
running, so update the stall and unstall register writes to
comprehend SKL_DSP_CORES_MASK values as well.

Signed-off-by: Jayachandran B <jayachandran.b at intel.com>
Signed-off-by: Ramesh Babu <ramesh.babu at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/intel/skylake/skl-sst-dsp.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/sound/soc/intel/skylake/skl-sst-dsp.c b/sound/soc/intel/skylake/skl-sst-dsp.c
index 37b1d24a9a9d..33c45aa53532 100644
--- a/sound/soc/intel/skylake/skl-sst-dsp.c
+++ b/sound/soc/intel/skylake/skl-sst-dsp.c
@@ -106,9 +106,9 @@ static bool is_skl_dsp_core_enable(struct sst_dsp *ctx)
 static int skl_dsp_reset_core(struct sst_dsp *ctx)
 {
 	/* stall core */
-	sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
-			 sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
-				SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK));
+	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+			SKL_ADSPCS_CSTALL_MASK,
+			SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK));
 
 	/* set reset state */
 	return skl_dsp_core_set_reset_state(ctx);
@@ -127,9 +127,8 @@ int skl_dsp_start_core(struct sst_dsp *ctx)
 
 	/* run core */
 	dev_dbg(ctx->dev, "run core...\n");
-	sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
-			 sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
-				~SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK));
+	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+			SKL_ADSPCS_CSTALL_MASK, 0);
 
 	if (!is_skl_dsp_core_enable(ctx)) {
 		skl_dsp_reset_core(ctx);
-- 
1.9.1



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