Re: [PATCH v7 0/5] MR7727: cfgmgr32, setupapi: Implement a few functions.

[Paul Gofman (＠gofman)]

On Fri Apr  4 21:07:44 2025 +0000, Paul Gofman wrote:
> Yes, it seems to be using it (while that worked for me without
> CM_Get_Parent at least with some controllers).
> CM_Get_Parent() per se is easy to implement, but to make any sense of it
> the first thing is that the actual HID drivers (or ntoskrnl rather,
> maybe) should be setting DEVPKEY_Device_Parent property. But also before
> that, as I understand, currently Wine HID stack ends in xinput or SDL
> backends and not in USD or Bluetooth Wine driver, that is probably the
> major thing here. I think the linked hidapi library code only hits
> CM_Get_Parent() in hid_internal_detect_bus_type() and failure there
> results in HID_API_BUS_UNKNOWN, which doesn't fail the whole thing but
> misses some properties.
> Maybe in theory those backends may expose device properties to partially mimic USB or BTH devices and make this library fully happy, but I am not sure, didn't really look into that part.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7727#note_100024