summaryrefslogtreecommitdiff
path: root/drivers/soundwire
diff options
context:
space:
mode:
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2019-10-22 18:29:48 -0500
committerVinod Koul <vkoul@kernel.org>2019-11-09 16:44:44 +0530
commitc134f914e9f55b7817e2bae625ec0e5f1379f7cd (patch)
treebab20012c288d4c02b11d9494c0a5490ff4e3061 /drivers/soundwire
parent3ccb8551f52edfcf16291cde07a8d49fc3976b7a (diff)
soundwire: intel: fix PDI/stream mapping for Bulk
The previous formula is incorrect for PDI0/1, the mapping is not linear but has a discontinuity between PDI1 and PDI2. This change has no effect on PCM PDIs (same mapping). Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20191022232948.17156-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/intel.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 3a6bbf0ff04e..96f75bc32386 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -480,7 +480,10 @@ intel_pdi_shim_configure(struct sdw_intel *sdw, struct sdw_cdns_pdi *pdi)
unsigned int link_id = sdw->instance;
int pdi_conf = 0;
- pdi->intel_alh_id = (link_id * 16) + pdi->num + 5;
+ /* the Bulk and PCM streams are not contiguous */
+ pdi->intel_alh_id = (link_id * 16) + pdi->num + 3;
+ if (pdi->num >= 2)
+ pdi->intel_alh_id += 2;
/*
* Program stream parameters to stream SHIM register
@@ -509,7 +512,10 @@ intel_pdi_alh_configure(struct sdw_intel *sdw, struct sdw_cdns_pdi *pdi)
unsigned int link_id = sdw->instance;
unsigned int conf;
- pdi->intel_alh_id = (link_id * 16) + pdi->num + 5;
+ /* the Bulk and PCM streams are not contiguous */
+ pdi->intel_alh_id = (link_id * 16) + pdi->num + 3;
+ if (pdi->num >= 2)
+ pdi->intel_alh_id += 2;
/* Program Stream config ALH register */
conf = intel_readl(alh, SDW_ALH_STRMZCFG(pdi->intel_alh_id));