Re: [PATCH 00/28] Add speaker and headset jack support for Apple Silicon Macs

[Mark Brown]

On Sun, Sep 20, 2026 at 02:53:39PM +1000, James Calligeros wrote:
> Hi folks,
> 
> This series finalises support for the main
> audio subsystem on Apple Silicon Macs. It adds a machine driver
> called macaudio, which is based on an RFC sent many years ago
> by Martin Povišer[1]. The driver uses the DPCM model to dynamically
> glue a backend DAI (combination of MCA ports and codecs) to a
> frontend PCM. While this theoretically allows us to route any
> backend to any frontend, this is not used in practice; the "Primary"
> frontend is always used for the headset codec and the "Secondary"
> is always used for the speakers.

This has got a lot of different stuff in it, there's several different
sets of fixes, a number of framework features, as well as the new driver
and a huge pile of DT updates.  It would be a lot more digestable were
these things to be split out, especially the fixes.

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