Add support for specifying event actions to trigger wakeup when using
the gpio-keys input device as a wakeup source.
This would allow the device to configure when to wakeup the system. For
example a gpio-keys input device for pen insert, may only want to wakeup
the system when ejecting the pen.
Suggested-by: Brian Norris <firstname.lastname@example.org>
Signed-off-by: Jeffy Chen <email@example.com>
Reviewed-by: Rob Herring <firstname.lastname@example.org>
Signed-off-by: Dmitry Torokhov <email@example.com>