GPIOTE port event and pin events enable issue simultaneously

Question

hi all ,
how to enable GPIOTE PORT and IN[n] event simultaneously ?(not same pin) 
 i enable the GPIOTE to trigger interrupt event.
one for the keyboard which need multiple pins (use the GPIOTE PORT event);
another it must to check a pin for gsensor (use the GPIOTE IN[0] event). 
 when i enable these events on GPIOTE , it not work .
have anybody give a suggest ?