PDI2 reports an invalid count, force the correct hardware-supported value
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- drivers/soundwire/intel.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 497879dd9c0d..51990b192dc0 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -401,6 +401,15 @@ intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num, bool pcm)
if (pcm) { count = intel_readw(shim, SDW_SHIM_PCMSYCHC(link_id, pdi_num)); + + /* + * TODO: pdi number 2 reports channel count as 1 even though + * it supports 8 channel. Performing hardcoding for pdi + * number 2. + */ + if (pdi_num == 2) + count = 7; + } else { count = intel_readw(shim, SDW_SHIM_PDMSCAP(link_id)); count = ((count & SDW_SHIM_PDMSCAP_CPSS) >>