[PATCH 5/8] winebus.sys: Always add a non &MI_XX suffixed hardware id.

Zebediah Figura zfigura at codeweavers.com
Mon Sep 6 15:51:28 CDT 2021


On 9/6/21 1:03 PM, Rémi Bernon wrote:
> On 9/6/21 7:03 PM, Zebediah Figura wrote:
>> On 9/6/21 1:40 AM, Rémi Bernon wrote:
>>> Depending on the internal bus, we may find the same kind of device with
>>> different input number. For instance SDL bus has no way of figuring an
>>> input number, and it will not have any, but UDEV will have one for every
>>> device.
>>>
>>> This will help matching devices with their VID_XXXX&PID_XXXX ids, by
>>> matching both the &MI_XX suffixed (if any) and non-suffixed IDs.
>>
>> Native doesn't do this for USB devices, which bothers me. Can you give a
>> specific example of where we'd need to do this? Can we just match both
>> variations in the .inf file instead?
>>
> 
> The example is with that XBox controller will have a &MI_00 suffix when
> using UDEV bus (with input subsystem), and not when using SDL bus.
> 
> I looked closer to the UDEV input number parsing and there doesn't seem
> to be a good way of telling if the device really has multiple interfaces
> or not. Also the xpad linux driver seems to actually have multiple
> interfaces.
> 
> We could just make sure to add an input number on every device on the
> SDL bus, or not on the UDEV bus with input subsystem, or duplicate the
> lines in the inf. All solutions seemed equally bad.
> 
> I don't think the solution here matters very much either, as it's all
> under the WINEBUS\ namespace, which is separate from USB\ prefix and
> unlikely to match any actual driver. The more general hardware IDs are
> also added last, so they would have a lower ranking in the driver
> matching score.
> 

Yeah, it's probably not worth worrying about very much...



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