Input events are directed to both vt and input devices by default.
Unless input devices are grabbed, keyboard events fill it vt buffers
and cause spontaneous wakeups in kernel tty layer when buffers are full.
Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
662594aeff