Hi Will, On Wed, Jan 08, 2020 at 01:08:54PM -0800, Will Tipton wrote: > Hello, > > I'd like to add an option to the input subsystem to change the behavior of > key repeat. Essentially, when two keyboard keys 'a' and 'b' are held down > simultaneously, I'd like to get 'abababab...' rather than 'abbbbbbbb...'. > Another example of a request for this feature is here > <https://tl.net/forum/sc2-strategy/446530-rapid-fire-hotkey-trick?page=4#64> > . > > Re: implementation -- I think this is a relatively minor change in > input.h/.c > <https://github.com/torvalds/linux/blob/master/drivers/input/input.c#L153>. > When this kernel option is enabled, the timer and repeat_key > <https://github.com/torvalds/linux/blob/master/include/linux/input.h#L165> > members of input_dev are replaced by a container of (timer, key) tuples. > There's one entry in this container for each currently-pressed key, and > each entry is basically managed the same way the singular timer and > repeat_key are managed currently. > > I'm curious whether: > - a patch adding this feature is likely to be accepted. > - the implementation strategy I mentioned is the best approach. Given that most environments (X, Wayland) ignore kernel autorepeat and implement it themselves (since autorepeat parameters are really more of a user preferences rather than hardware/system properties), I do not think we should leave the kernel as is. Thanks. -- Dmitry
