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userspace: teach sound init about the simple audio card#553

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adeebshihadeh wants to merge 1 commit intocommaai:masterfrom
adeebshihadeh:simple-audio-userspace
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userspace: teach sound init about the simple audio card#553
adeebshihadeh wants to merge 1 commit intocommaai:masterfrom
adeebshihadeh:simple-audio-userspace

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Summary

Teach AGNOS sound initialization about the new simple comma audio card while keeping the legacy control names as fallbacks.

What changes

  • stop keying sound-card readiness off the legacy /proc/asound/sdm845tavilsndc path
  • look for the new fixed-route mixer controls first and fall back to the existing MultiMedia1 controls
  • keep the tertiary MI2S channel count programming that the current capture path still relies on

Notes

This is intended to pair with commaai/agnos-kernel-sdm845#107. It remains backward-compatible with the current card naming so it can land ahead of or alongside the kernel change.

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