APPLIED[M]: [SRU][M/N][PATCH 0/1] Add support of MTL audio of Lenovo

[Roxana Nicolescu]

On 04/01/2024 13:33, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2048078
>
> [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.
>
> Peter Ujfalusi (1):
>    ALSA: hda: intel-nhlt: Ignore vbps when looking for DMIC 32 bps format
>
>   sound/hda/intel-nhlt.c | 33 +++++++++++++++++++++++++++++----
>   1 file changed, 29 insertions(+), 4 deletions(-)
>
Applied to mantic master-next branch. Thanks!