[PATCH v2 0/2] MR11158: xinput1_3: Rescan controllers before reporting disconnection to callers.

[Shaun Ren (＠shaunren)]

If a requested controller slot is not currently open, rescan the
controllers before reporting the slot as disconnected. This matches
native Windows behaviour.

The game RiME (and possible others), upon receiving a device addition
WM_DEVICECHANGE message, immediately queries all four slots with
XInputGetState(), and gives up if none are unavailable. Without the
rescan, the game's query can race with the xinput update thread and
cause hotplugging failure.

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  v2: xinput1_3: Rescan controllers before reporting disconnection to callers.
      xinput1_3: Implement thread-safe controller addition and removal.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11158