> No we don't. I double checked with the HW team and they confirmed that > YU_GPIO_CAUSE_FALL_EN and YU_GPIO_CAUSE_RISE_EN are used in > Both level and edge interrupts cases. How? They are different things. I suggest you test this. Make sure a level interrupt real does fire on level. One simple test is use a resistor to force the interrupt pin low. Your machine should then die in an interrupt storm, until the kernel declares the interrupt broken and disables it. Andrew