On 2012-05-28, at 10:25 PM, Alan Stern wrote: > On Mon, 28 May 2012, [iso-8859-1] Jean-François Dagenais wrote: > >> On 2012-05-28, at 11:55 AM, Alan Stern wrote: >>> >>> If an input report is not available over the interrupt-in endpoint >>> (which would be a violantion of the HID spec) then you have no choice >>> but to poll it. >> >> Which seems to be the case based on the fact it's "feature request in". So that >> would mean I would have to "CPU-poll-it" to see if it changes, right? This >> pretty much kills the idea of declaring the GPIOs as source of interrupts then. > > Seems that way. Unless there's also an input report that tells you > when a GPIO changes state. > There isn't. So unfortunately the lack of such a feature in this chip has made it's use less attractive to us and thus we are most likely abandoning this path in favour of another implementation. So I won't be working on this driver project after all. Alan, thanks for your patience and guidance. See you around! Cheers. /jfd-- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html