Update intel-dspcfg with FLAG_SST_ONLY_IF_DMIC option and use it for Skylake and Kabylake platforms when DMIC is present.

Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com Acked-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com ---

Changes in v2: - no functional changes, just rebased to fix conflicts

sound/hda/intel-dsp-config.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index 1c1fdab2a55f..20b8f6cb3ff8 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -19,6 +19,7 @@ MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=lega

#define FLAG_SST BIT(0) #define FLAG_SOF BIT(1) +#define FLAG_SST_ONLY_IF_DMIC BIT(15) #define FLAG_SOF_ONLY_IF_DMIC BIT(16) #define FLAG_SOF_ONLY_IF_SOUNDWIRE BIT(17)

@@ -107,6 +108,10 @@ static const struct config_entry config_table[] = { {} } }, + { + .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC, + .device = 0x9d70, + }, #endif /* Kabylake-LP */ #if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL) @@ -123,6 +128,10 @@ static const struct config_entry config_table[] = { {} } }, + { + .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC, + .device = 0x9d71, + }, #endif

/* @@ -410,8 +419,17 @@ int snd_intel_dsp_driver_probe(struct pci_dev *pci) return SND_INTEL_DSP_DRIVER_SOF; }

- if (cfg->flags & FLAG_SST) - return SND_INTEL_DSP_DRIVER_SST; + + if (cfg->flags & FLAG_SST) { + if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) { + if (snd_intel_dsp_check_dmic(pci)) { + dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n"); + return SND_INTEL_DSP_DRIVER_SST; + } + } else { + return SND_INTEL_DSP_DRIVER_SST; + } + }

return SND_INTEL_DSP_DRIVER_LEGACY; }