Settings...System...Accessory...Earphone. Does that help?
If I've helped you be sure to hit the THANKS button!
Current Devices:T-Mobile LG G2 (Rooted, CM10.2), First. Gen Asus Nexus 7 (Rooted, CM10.2)
Previous Devices: Samsung Galaxy S III <- HTC Glacier <- Motorola Cliq <- Samsung Memoir <- Motorola Motozine ZN5 <- HTC Herald <- HTC Excalibur <- Danger Sidekick III <- Motorola v3 Razr <- Motorola v300 <- Danger Sidekick Color <- Audiovox CDM 8900 <- Kyocera 2235