The TP-Link TL-MR3020 has a three-state mode slider which was previously
integrated as a button (EV_KEY). This led to spurious activations of
failsafe mode.
Set the type for the button to switch (EV_SW), to avoid unintended
activations of failsafe mode.
Related: commit 27f3f493de ("gpio-button-hotplug: unify polled and
interrupt code")
Signed-off-by: David Bauer <mail@david-bauer.net>
b017a016cc