Update May-21-2018: script may have negative impact on HDMI audio, needs further investigation. Patches pushed to enable I2S HDMI device, but audio does not come out.
Update Feb-20-2018: script update committed for out of the box audio support (both outputs and inputs) for ASUS Tinker Board.
Headset (the jack)
Headset-input (the jack)
Tinkerboard sound is po