Interrupt problem

Hi,

I have solutioned the problem of the last post, the component was wrong sorry.

The problem that I meet know is that my irq enters while the signal is in high level(During 20 ms) and I only want to notice the falling edge of it.I haved configured request_irq with flags:

--- Quote Start ---

IRQF_DISABLED | IRQF_TRIGGER_FALLING

--- Quote End ---

, I also find the command :

--- Quote Start ---

set_irq_type

--- Quote End ---

to force the trigger.

But It doesn't go as I want, it always enters during high level.

Thanks for help