HI Anatolij, On Tue, Jan 29, 2013 at 01:25:24PM +0100, Anatolij Gustschin wrote: > On hardware with limited gpios one column select gpio can select > two different rows when using some additional hardware logic: > high value selects one row, low value selects another row. Add > support for such matrix keyboards and document device tree > bindings used to describe them. > > Since half of the columns is always not selected, interrupts won't be > generated for press events on these columns. To generate interrupts > for not selected columns we need to periodicaly switch to these columns > in order to catch the potential press events. This is done by additional > work function. So this effectively switches the driver from interrupt driven to polled model, right? The device does not really need an interrupt anymore... Thanks. -- Dmitry -- 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
