Bug#1096006: Acknowledgement (linux-image-6.12.9+bpo-amd64: Built-in microphone doesn't work on Lenovo Thinkpad T14s Gen 6 21M1001VUS)

[Matt Mower <mowerm@gmail.com>]

After updating alsa-ucm-conf from upstream (overwrote /usr/share/alsa/ucm2 from the latest at https://github.com/alsa-project/alsa-ucm-conf), the device is recognized as a digital mic. Would it be possible to get these kernel configs enabled for amd64 in 6.12 bookworm backports and 6.13 trixie?

CONFIG_SND_SOC_AMD_ACP_PCI=m
CONFIG_SND_AMD_ASOC_ACP70=m
CONFIG_SND_SOC_AMD_LEGACY_MACH=m

On Sat, Feb 15, 2025 at 3:25 PM Matt Mower <mowerm@gmail.com> wrote:

Enabling the following kernel config options got an analog mic to show up for me:

CONFIG_SND_SOC_AMD_ACP_PCI=m

CONFIG_SND_AMD_ASOC_ACP70=m

CONFIG_SND_SOC_AMD_LEGACY_MACH=m

...

I'm not sure whether an analog mic is what I should expect, or whether dmic should work, and if so whether the problem is in UEFI or kernel drivers. I've attached my .config that has a working analog mic and the resulting dmesg.