DS Mic and the R4

Is the R4 not compatible with the DS microphone?Every time I need to use it in a game it doesn't seem to work. But it will if I play a normal game. Both of my brothers have one also, and it doesn't work for them either.... It's kinda hard to use the Spirit Flute in Zelda if I can't use the Mic. But the weird thing is, I believe that it used to work, I think it stopped around the time that I first used YSmenu on it.

The mic works. Its just that on Spirit Tracks the mic doesent work well.
Try to blow at it far away. Other than that I dont know.

I've tried other games, it doesn't seem to work...

mine broke too

Worked fine on my R4 with official firmware before I switched to AK2i, maybe.... its just YSMenu.