https://bugs.winehq.org/show_bug.cgi?id=45992
--- Comment #6 from beren.minor+wine@gmail.com beren.minor+wine@gmail.com --- Alright, this might be an issue with the Linux driver then. I'll have a look in this direction.
I tried fftest already to be sure and it was working just fine, but maybe it doesn't care about the reported capabilities.