> > >On Tue, 13 May 2008 16:54:17 +0300, Felipe Balbi ><felipe.balbi@xxxxxxxxx> >wrote: >> Hi all, >> >> I noted whenever we release a key in omap-twl4030.c driver it >> generates two interrupts: one for release event and one for >a timeout event. >> >> Is that expected or is that a bug somewhere in the driver ? >> >> It's easily noted by cat /proc/interrupts ;-) > >Replying to myself as I found some more clues. > >By checking the code I could see that only rising edge of >timeout interrupt is being enabled. Also timeout register is >at 0xd6, but code is writing 0x04... > No, the code is writing to 0x00D2 + 0x04 (the t2keypad base address: 0x00D2). >So if i read it correctly, we might have 0 set as our timeout. > >which might explain why we only see the timeout interrupt when >releasing the key. > >Am I right ? Well, the timeout is here to help the controller come out of hangs, if any. > >I might be completely wrong here, but that extra interrupt >happening all the time is just bugging me :-p Regards, Girish -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
