[coreboot-gerrit] [M] Change in coreboot[master]: mb/google/rex: Enable audio BT offload

[Uday Bhat (Code Review)]

Attention is currently required from: Anil Kumar K, Tarun Tuli, Ravishankar Sarawadi, Paul Menzel, Kapil Porwal, Uday Bhat, Jairaj Arava.

Uday Bhat has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72881 )

Change subject: mb/google/rex: Enable audio BT offload
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Patch Set 14:

(1 comment)

Patchset:

PS13:
> b:275538390 updated with the verification steps

BT offload was verified on Rex with I2S audio configuration

Changes and execution procedure as below

Coreboot changes
built with https://review.coreboot.org/c/coreboot/+/72881

Kernel driver changes

Patches from link - https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git

279e52d6b9f3 ASoC: SOF: ipc4-pcm: support multiple configs for BE DAIs
f19f24d47900 ASoC: Intel: sof_rt5682: Update BT offload config for MTL RVP
54e288766906 ASoC: Intel: sof_rt5682: Update BT offload config for Rex
Build and update kernel

Topology changes
Build topology 2 using latest branch from https://github.com/thesofproject/sof
update the topology in DUT and reboot

Execution
aplay, arecord will list as bluetooth with device number
aplay -D hw:<card no>,<device no> -c <no of channels> -r <sampling rate> -f <format> <location/playback-file>

arecord -D hw:<card no>,<device no> -c <no of channels> -r <sampling rate> -f <format> <location/capture-file>