Hi Felipe, Actually, David Brownell is working on something very similar. sysfs for gpio lib. http://kerneltrap.org/mailarchive/linux-kernel/2008/4/28/1640134 That'd be really useful indeed. But I believe it is not merged yet. My 2 cents. Cheers, On Tue, Jun 3, 2008 at 7:19 AM, Felipe Balbi <me@xxxxxxxxxxxxxxx> wrote: > > > On Tue, 3 Jun 2008 15:21:02 +0530, "mohammed shareef" <mdshareef@xxxxxxxxx> > wrote: >> Hi Felipe, >> >> could you give me some useful pointers on how to use the gpio-switch >> and ioctl to read and write gpio? > > gpio-switch you can check in arch/arm/mach-omap2/board-n800.c > > about using ioctls for controlling the gpio, you'll have to write > a module from scratch. afaict, there's no way of controlling gpio > from userland. Besides gpiofs that a friend was writing and never > finished :-p > > I'll try to reach him and ask him to send as RFC cuz it was a good > work anyway :-) > > -- > Best Regards, > > Felipe Balbi > http://felipebalbi.com > me@xxxxxxxxxxxxxxx > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Eduardo Bezerra Valentin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
