Sound works great for me (passthrough and pcm) on my x5-z8300 Tronsmart. Note that 4.13 for the first time properly enumerates all the audio devices on cherry trail so you'll need to re-select your audio device and choose the correct one. Also for your asound.conf, for me it's
Thanks very much :)! But i installed a official release and the newest one (at least) support our processor. I only used the kodi part ;).