Hi Dimitry, >Yes, just use the system workqueue Ok. I won't use the polled input anymore. >Note that I normally oppose supporting polling mode for devices that may be interrupt driven, since this normally increases power consumption. Yes, but in my case i have no choice (the hardware don't allow to use interrupts). So The polled mode could be an option ? Are you definitively opposed to this options ? Paul. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html