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

From	Matt Mower <mowerm@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1096006: Acknowledgement (linux-image-6.12.9+bpo-amd64: Built-in microphone doesn't work on Lenovo Thinkpad T14s Gen 6 21M1001VUS)
Date	2025-02-24 06:40 +0100
Message-ID	<Kjzma-1ykD-7@gated-at.bofh.it> (permalink)
References	(2 earlier) <KgwE9-h43y-3@gated-at.bofh.it> <KgxgR-h4iF-3@gated-at.bofh.it> <KgzLI-h65y-7@gated-at.bofh.it> <Kggzn-gSGS-1@gated-at.bofh.it> <KgzLI-h65y-7@gated-at.bofh.it>
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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.
>
>

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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> - 2025-02-15 21:10 +0100
  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> - 2025-02-15 21:50 +0100
    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> - 2025-02-24 06:40 +0100

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