Weird mapping issue with joysticks

[MrMEEE]

Hi guys..

I have a weird issue... my arcade machine is using a custom build card, to convert a 4player cabinet controls, into usb.. I'm running GroovyArcade, with groovymame

All the individual joysticks pops up as both an joy* and event* device.. the event* devices will switch around randomly at each boot, so I'm trying to use the joy devices with SDL_LINUX_JOYSTICK_CLASSIC=1..

This works in groovyarcade, but inside mame both the devices pops up, so I have 8 devices.. and only 2 of the 3 buttons reacts inside mame (3rd button works outside)..

Does anyone have any ideas to help me out?