brltty service: wait for devices to settle

Otherwise it starts way too early, only to fail and having to restart
until devices are available.  It is less wasteful to simply wait until
there's a reasonable chance of success.  This is consistent with
upstream.

1 files changed, 2 insertions, 0 deletions

diff --git a/nixos/modules/services/hardware/brltty.nix b/nixos/modules/services/hardware/brltty.nix
index b416ba332222..1266e8f81e5b 100644
--- a/nixos/modules/services/hardware/brltty.nix
+++ b/nixos/modules/services/hardware/brltty.nix
@@ -39,6 +39,8 @@ in {
         ProtectSystem = "full";
         SystemCallArchitectures = "native";
       };
+      wants = [ "systemd-udev-settle.service" ];
+      after = [ "local-fs.target" "systemd-udev-settle.service" ];
       before = [ "sysinit.target" ];
       wantedBy = [ "sysinit.target" ];
     };