On Sun, Aug 31, 2014 at 5:24 PM, Wang YanQing <udknight@xxxxxxxxx> wrote: > PL2303 USB Serial devices may has GPIOs, this patch add > basic PL2303 gpio support. > > Known issue: > If gpios are in use(export to userspace through sysfs interface, etc), > then call pl2303_release(unplug usb-serial convertor, modprobe -r, etc), > will cause trouble, so we need to make sure there is no gpio user before > call pl2303_release. > > Signed-off-by: Wang YanQing <udknight@xxxxxxxxx> > --- > Note: I sniffed office HXD gpio test program to get > gpios control protocol with PL2303 RA, so I only > test it with PL2303 RA and HXA, I don't have HXD, > but because it is *office* HXD gpio test program, > so if it doesn't work with HXD, I will feel surprise. > > Changes > v7-v8: > 1: add support for four dedicated gpios on HXD and RA > 2: fix problem reported by Johan Hovold in v7 > 3: fix checkpatch.pl's warning This has been looking nice from the GPIO side of things for a while so: Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij -- 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
