On Thu, Jun 4, 2015 at 10:23 AM, Dmitry Torokhov <[email protected]> wrote: > Hi Y, > On Thu, Jun 04, 2015 at 02:25:12PM +0700, Y Vo wrote: >> GIC is designed to support two of trigger mechanisms - active level >> high or edge rising. But in the gpio_keys driver, it tries to use both >> edge rising and edge falling trigger. This patch fixes the gpio_keys >> driver to request only the edge rising event when failed to configure the >> interrupt. > > How do we get notified of button release if we only get interrupt on > rising edge?
On the arm gic, only the rising edge is supported. So key press can only be defined as rising edge and no key release. > > Thanks. > > -- > Dmitry -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
