The port config on the Cisco classic switch can look like this:
interface GigabitEthernet1/0/19
description WAP
switchport trunk native vlan 90 (if accesspoints are in a own VLAN)
switchport trunk allowed vlan 50,52,90,300,301 (VLAN for accesspoint + VLANs for the SSIDs)
switchport mode trunk
spanning-tree portfast trunk