@@ -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;
}
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> --- 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(-)