** Changed in: linux (Ubuntu Mantic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2048078
Title:
Add support of MTL audio of Lenovo
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.5 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.5 source package in Jammy:
In Progress
Status in linux source package in Mantic:
Fix Committed
Status in linux-oem-6.5 source package in Mantic:
Invalid
Status in linux source package in Noble:
In Progress
Status in linux-oem-6.5 source package in Noble:
Invalid
Bug description:
[Impact]
On Lenovo ThinkPad MTL platform, the audio and mic are not working.
Error Logs:
[ 22.098899] sof-audio-pci-intel-mtl 0000:00:1f.3: no llp found, fall back
to default HDA path
[ 22.107925] sof-audio-pci-intel-mtl 0000:00:1f.3: no matching blob for
sample rate: 48000 sample width: 32 channels: 2
[ 22.107931] sof-audio-pci-intel-mtl 0000:00:1f.3: failed to prepare widget
dai-copier.DMIC.dmic01.capture
[ 22.107933] sof-audio-pci-intel-mtl 0000:00:1f.3: Failed to prepare
connected widgets
[ 22.107935] sof-audio-pci-intel-mtl 0000:00:1f.3: error: failed widget
list set up for pcm 6 dir 1
[ 22.107937] sof-audio-pci-intel-mtl 0000:00:1f.3: ASoC: error at
snd_soc_pcm_component_hw_params on 0000:00:1f.3: -22
[Fix]
Commit:
"ALSA: hda: intel-nhlt: Ignore vbps when looking for DMIC 32 bps format"
Add support of both 24 bit and 32 bit of DMIC hardware.
[Test]
Tested on hardware, sound ouput and DMIC input work fine.
[Where problems could occur]
It may break sound driver.
MTL is not supported by 5.15 and 6.2 kernel, SRU for oem-6.5, 6.5 and
6.6.
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