1. HOST_WAKE irq trigger polarity,  HIGH-LEVEL(default) or LOW-LEVEL

2. Reasons for "enable f2 failed"

    why does the error "enable F2 failed" , the reason is either your  bcmdhd.cal or the fw_*.bin is not correct, not matching the bcm4330 chip.

[wifi-bcm4330] miscellaneous things on bcm4330 wifi