Never expected a couple years' worth of looking at USB host-to-device traces to be useful in getting cat ear headphones to do their thing, but here we are
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(There is a Linux kernel module for tweaking LED patterns on the Razer Kraken headsets at https://github.com/openrazer/openrazer, and it claims to support the Razer Kraken Kitty, but I don't see it in the driver source code and I'm also wondering if this really needs to be a kernel module)
Oh, the RGB effect controls are in a different file, never mind