alsa-project/alsa-lib issue #200 was edited from galibozek:
after upgrade alsa-ucm-conf 1.2.5.1-1 to 1.2.6.1-1 (arch linux) my microphone disappeared on lenovo t14 gen2i
Similar to: https://bugs.archlinux.org/task/71180
``` 00:1f.3 Audio device: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller (rev 20) (prog-if 80) Subsystem: Lenovo Device 22c9 Flags: bus master, fast devsel, latency 64, IRQ 187, IOMMU group 12 Memory at 603dbc0000 (64-bit, non-prefetchable) [size=16K] Memory at 603da00000 (64-bit, non-prefetchable) [size=1M] Capabilities: <access denied> Kernel driver in use: sof-audio-pci-intel-tgl Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl ```
Issue URL : https://github.com/alsa-project/alsa-lib/issues/200 Repository URL: https://github.com/alsa-project/alsa-lib