Hi Nico, On Thu, 27 May 2021, Nico Schottelius wrote: > Just checked, it was disabled. I rebuilt 5.12.6, rebooted, but now the > sound card is gone (no device files in /dev/snd anymore), proably > failing due to: > > [ 55.713668] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040380 > [ 55.713679] snd_hda_intel 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver > [ 55.745863] sof-audio-pci-intel-tgl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040380 > [ 55.745872] sof-audio-pci-intel-tgl 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver > [ 55.746033] sof-audio-pci-intel-tgl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040380 > [ 55.748315] sof-audio-pci-intel-tgl 0000:00:1f.3: use msi interrupt mode > [ 55.752671] sof-audio-pci-intel-tgl 0000:00:1f.3: warning: No matching ASoC machine driver found > [ 55.752673] sof-audio-pci-intel-tgl 0000:00:1f.3: error: no matching ASoC machine driver found - aborting probe > [ 55.752673] sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to get machine info -19 > [ 55.752764] sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to probe DSP hardware! it seems more kernel config options are missing. Distribution kernels typically enable all the machine drivers, but you are specifically missing CONFIG_SND_SOC_INTEL_SKL_HDA_DSP_GENERIC_MACH=m Distribution kernels are a good reference when building on your own, and we in SOF also maintain example kconfig settings for typical systems. Here's the bit for systems with DSP and HDA codecs: https://github.com/thesofproject/kconfig/blob/master/hdaudio-codecs-defconfig More info at: https://github.com/thesofproject/kconfig/ Br, Kai
