Urgent!! Need a support about playing sound on RB5

Hi team,

I really really need a support!!!

I’m working on RB5 kit, OS linaro debian (Linaro Releases)

Audio is working on usb speaker but others are not working(build-in speaker, 2x speaker attached in RB5 box, bluetooth headphone)

How can I solve it? Any document about how to use audio on RB5, Any document about how to use 2x speaker attached in RB5 box.

The below image is how I plug-in it, is it ok?