Add official support for speakers

[diamondburned]

With the release of the SW:Speakers wiki page, Asahi Linux now officially supports the Macbook Air M1 13" speakers (J313). This issue tracks the addition of this into nixos-apple-silicon.

Progress:

• [x] Asahi Linux 6.5-25 or later
• [x] alsa-ucm-conf-asahi
• [x] asahi-audio
• [x] speakersafetyd
• [x] bankstown
• [x] LSP plugins LV2 (how?)
• [x] Pipewire v0.3.84 (only in staging Nixpkgs atm)
• [x] Pipewire module-filter-chain-lv2
• [x] Wireplumber v0.4.15
• [x] Wireplumber w/ policy-dsp patch

Blocking Items:

• [x] https://github.com/chadmed/bankstown/pull/3
• [ ] Wait for upstream AsahiLinux/PKGBUILDs to bump kernel version to 6.5-25 or later, or track the Asahi Linux Fedora COPR instead
• [x] Wait for Pipewire v0.3.84 or newer to be merged into NixOS Unstable
• [ ] Add the needed modules into this repository (hardware.asahi.enableSpeakers = true)

Relevant issue: https://github.com/tpwrules/nixos-apple-silicon/issues/100

My current implementation: https://github.com/diamondburned/dotfiles/tree/hackadoll3/Scripts/nix/machines/lilyhoshii/cfg/speakers

[sequencer]

alarm is doomed :(

[tpwrules]

Thanks for inventorying this and providing a direction.

We will probably have to wait for Pipewire to progress through staging, but I'll do some experiments and see if we can just move it forward for a bit.

I'm also doing some studying on how to best account for the upstream migration away from Arch Linux but I don't have an answer right now.

[RossComputerGuy]

Pipewire v0.3.84 is merged into unstable and master as of today, though the v0.3.85 PR was opened almost a week ago and it's in unstable right now. I'm gonna see if I can reproduce getting speaker support in my setup today.

[ghost]

Pipewire v0.3.84 is merged into unstable and master as of today, though the v0.3.85 PR was opened almost a week ago and it's in unstable right now. I'm gonna see if I can reproduce getting speaker support in my setup today.

Any results?

[yu-re-ka]

https://github.com/NixOS/nixpkgs/pull/274504

[yu-re-ka]

Also my own take on this in #122

[RossComputerGuy]

@vector1dev So I did get it added in but I found out that my device isn't supported yet. Mine uses j314 but only j313 is supported which is the MBA and I have a MBP.

[tpwrules]

NixOS/nixpkgs#274504

Good to see that there's a release for my machine now so that I can properly test.

Should we just have this fix in our overlay for now, until the release comes out? That would get speakers to users a little quicker.

[yu-re-ka]

Mine uses j314 but only j313 is supported which is the MBA and I have a MBP.

MacBook Pro J314 is also supported (in fact that is the device I'm using), but all of them need to be opted into by the distro/user by telling the kernel to enable audio.

[RossComputerGuy]

but all of them need to be opted into by the distro/user by telling the kernel to enable audio.

How exactly is that done?

[yu-re-ka]

@RossComputerGuy please read the following chat log carefully: https://oftc.irclog.whitequark.org/asahi-dev/2023-10-28

You need the changes from my PR #122 and:

Requirements:

• A patched eleven secret herbs and spices kernel (or a certain kernel cmdline parameter)

Do not ask any further questions about how to make speakers work, until things are properly merged into nixos-apple-silicon. Thanks

[tpwrules]

We are working on this and hope to have a solution soon. Thanks for the patience.

[tpwrules]

Done in the latest release.