ACK/Cmnt: [SRU][Focal][PATCH 0/3] Audio fails to initialize on icl machines

Stefan Bader stefan.bader at canonical.com
Tue Jul 14 07:46:25 UTC 2020


On 14.07.20 09:34, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1886341
> 
> These patches are already in the Groovy kernel and oem-5.6 kernel, so
> only focal kernel needs these patchees.
> 
> [Impact]
> On the machine of Lenovo IdeaPad 5 15IIL05, the audio doesn't work,
> checking the dmesg, I found the audio driver fails to initialize
> because it fails on i915 audio codec probe.
> 
> [Fix]
> backport 3 patches from mainline kernel, move the i915 audio codec
> init earlier.
> 
> [Test Case]
> Boot the kernel with these 3 patches, check dmesg, there is no
> i915 audio codec probe error anymore, and audio driver initializes
> successfully, and input and output audio devices all work.
> 
> [Regression Risk]
> Low, already tested these 3 patches on a couple of LENOVO dmic
> machines (cnl and cml machines), all work as well as before.
> 
> 
> 
> Kai Vehmanen (2):
>   ASoC: SOF: Intel: drop HDA codec upon probe failure
>   ASoC: SOF: Intel: hda: move i915 init earlier
> 
> Ranjani Sridharan (1):
>   ASoC: SOF: intel: hda: Modify signature for hda_codec_probe_bus()
> 
>  sound/soc/sof/intel/hda-codec.c | 24 +++++++++---------------
>  sound/soc/sof/intel/hda.c       | 15 +++++++--------
>  sound/soc/sof/intel/hda.h       |  3 ++-
>  3 files changed, 18 insertions(+), 24 deletions(-)
> 

If you are able, it would be appreciated if you could set up nominations / tasks
like I have now done. Thanks.

Acked-by: Stefan Bader <stefan.bader at canonical.com>

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