On Wed 2008-01-02 12:56:40, Michael Tokarev wrote: > (Not so) recently, ACPI events started appearing as > key press events over linux input subsystem. The > question regarding this is simple: how it's supposed > to be handled? > > First of all, I don't know any software so far that > can handle input layer in userspace when not running > X. In X, it's usually done using window manager > setup or with special application (like, volume > up/down keys etc). But without X, there's no such > application, as far as I can see. > > It's easy to write one, but there may be.. issues > with finding which input device to use. > > Now, linux already have hotplug subsystem, using > /sbin/hotplug helper (or whatever it points to, > or using netlink). ACPI key events are rare. > > What I'm thinking about is: why ACPI events are > routed over input subsystem, instead of hotplug > subsystem? With input, there's a need for a > special daemon/application listening on the > specific "keyboard" device, while with hotplug > subsystem, it's already here - linux (by default > anyway, if not running udev etc), kernel fires > up a script when an event occurs. I don't see > how this special application/daemon is different > from ol'good acpid. > > Or.. maybe I missed something?
No, you are not missing anything. Yes, we could use /sbin/hotplug, but it would be an ugly hack. So better write that daemon, or teach udevd to read from input... 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-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/