Messages in this thread | | | Date | Fri, 25 Feb 2011 01:33:32 -0800 | From | Dmitry Torokhov <> | Subject | Re: [PATCH] eeepc-wmi: set the touchpad toggle key code to F21 |
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On Fri, Feb 25, 2011 at 05:22:43PM +0800, Keng-Yü Lin wrote: > On Fri, Feb 25, 2011 at 3:18 PM, Dmitry Torokhov > <dmitry.torokhov@gmail.com> wrote: > > I believe that the kernel should use KEY_TOUCHPAD_TOGGLE and userspace > > should use udev's key re-mapping facilities while X is unable to process > > keycodes above 255 to adjust to the keycode du jour. If all kernel > > drivers were to use KEY_TOUCHPAD_TOGGLE then remapping would be much > > easier (the utility would simply check capabilities for > > KEY_TOUCHPAD_TOGGLE and do the remap). > > Can udev re-map a key code to another?
Not directly.
> > Am I correct that udev can only re-map a scan code to a specified key code.
Right, so once you determined via capabilities that device emits KEY_TOUCHPAD_TOGGLE you query the keymap (using EVIOCGKEYCODE2; by index) and replace all entries that are mapped to KEY_TOUCHPAD_TOGGLE to whatever you want.
Thanks.
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