On Sat 2014-11-29 18:24:03, Pali Rohár wrote: > Hello, > > there is request to introduce some option (via sysfs) to disable > one input device. Originally it was for tsc2005 touchscreen found > on Nokia N900 cellphone. Use case is to completely disable > touchscreen when phone is in pocket or when screen is locked via > slide switch (to prevent random clicks). > > But it would be better to have disable option for all input > devices. Sometimes input device is not use and only consume > power. Another case is when input device (e.g. keyboard or > touchpad) is integrated into machine (e.g. on laptops) and user > does not want to use it (so make sure that kernel does not send > events to userspace). > > I would like to ask, how to solve it? > > What do you think about adding new sysfs file "disable" (accept > values 1 or 0) for every input device? With "1" it cause that > kernel will drop all events from specific input device and if > driver provide some function is can be called (e.g. for power > management or disabling device at hardware level). That makes sense to me. Dmitry, would such interface be acceptable? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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
