nixos/pipewire: add docs for `passthru.requiredLv2Packages`

2 files changed, 10 insertions, 2 deletions

diff --git a/nixos/modules/services/desktops/pipewire/pipewire.nix b/nixos/modules/services/desktops/pipewire/pipewire.nix
index 8f3ad78d50ce..09448833620c 100644
--- a/nixos/modules/services/desktops/pipewire/pipewire.nix
+++ b/nixos/modules/services/desktops/pipewire/pipewire.nix
@@ -246,6 +246,9 @@ in {
         description = lib.mdDoc ''
           List of packages that provide PipeWire configuration, in the form of
           `share/pipewire/*/*.conf` files.
+
+          LV2 dependencies will be picked up from config packages automatically
+          via `passthru.requiredLv2Packages`.
         '';
       };
 
@@ -258,7 +261,8 @@ in {
           be made available to PipeWire for [filter chains][wiki-filter-chain].
 
           Config packages have their required LV2 plugins added automatically,
-          so they don't need to be specified here.
+          so they don't need to be specified here. Config packages need to set
+          `passthru.requiredLv2Packages` for this to work.
 
           [wiki-filter-chain]: https://docs.pipewire.org/page_module_filter_chain.html
         '';
diff --git a/nixos/modules/services/desktops/pipewire/wireplumber.nix b/nixos/modules/services/desktops/pipewire/wireplumber.nix
index 27861858f619..009d68bd4f28 100644
--- a/nixos/modules/services/desktops/pipewire/wireplumber.nix
+++ b/nixos/modules/services/desktops/pipewire/wireplumber.nix
@@ -30,6 +30,9 @@ in
         description = lib.mdDoc ''
           List of packages that provide WirePlumber configuration, in the form of
           `share/wireplumber/*/*.lua` files.
+
+          LV2 dependencies will be picked up from config packages automatically
+          via `passthru.requiredLv2Packages`.
         '';
       };
 
@@ -42,7 +45,8 @@ in
           be made available to WirePlumber for [filter chains][wiki-filter-chain].
 
           Config packages have their required LV2 plugins added automatically,
-          so they don't need to be specified here.
+          so they don't need to be specified here. Config packages need to set
+          `passthru.requiredLv2Packages` for this to work.
 
           [wiki-filter-chain]: https://docs.pipewire.org/page_module_filter_chain.html
         '';