Tested plucky-proposed linux-firmware as the steps.
All audio functions work fine.
Logs of Plucky:
$ sudo apt policy linux-firmware
linux-firmware:
Installed: 20250317.git1d4c88ee-0ubuntu1.9
Candidate: 20250317.git1d4c88ee-0ubuntu1.9
Version table:
*** 20250317.git1d4c88ee-0ubuntu1.9 100
100 http://archive.ubuntu.com/ubuntu plucky-proposed/main amd64 Packages
100 /var/lib/dpkg/status
kernel: cs35l56 sdw:0:2:01fa:3556:01:0: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347.wmfw: format 3 timestamp 0x6864754d
kernel: cs35l56 sdw:0:2:01fa:3556:01:0: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347.wmfw: Tue 01 Jul 2025 18:54:52 Central
Daylight Time
kernel: cs35l56 sdw:0:2:01fa:3556:01:1: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347.wmfw: format 3 timestamp 0x6864754d
kernel: cs35l56 sdw:0:2:01fa:3556:01:1: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347.wmfw: Tue 01 Jul 2025 18:54:52 Central
Daylight Time
kernel: cs35l56 sdw:0:2:01fa:3556:01:0: DSP1: Firmware: 1a10d6 vendor: 0x2
v3.13.3, 41 algorithms
kernel: cs35l56 sdw:0:2:01fa:3556:01:1: DSP1: Firmware: 1a10d6 vendor: 0x2
v3.13.3, 41 algorithms
kernel: cs35l56 sdw:0:2:01fa:3556:01:0: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347-amp1.bin: v3.13.3
kernel: cs35l56 sdw:0:2:01fa:3556:01:1: DSP1:
cirrus/cs35l56-b0-dsp1-misc-17aa2347-amp2.bin: v3.13.3
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https://bugs.launchpad.net/bugs/2122379
Title:
[SRU] Add support of cs42l43 and cs35l56 on ThinkPad P1 and P16
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