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hda: add macbook air 6,1 and 6,2 GPIO to enable amplifier
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Authored by adrian on Mar 14 2025, 1:02 AM.
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Details

Summary

GPIO0 needs to be flipped on to enable the amplifier.

The CS4208 looks /sort/ of like previous cirrus logic codecs,
enough for audio to work. This actually provides working audio
on my mbair 6,2 but it doesn't yet detect the jack.

(That requires patches to the pin configs, which is .. going to be
another diff.)

Diff Detail

Repository
rG FreeBSD src repository
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