Update Yamaha MusicCast to get and set sound program

[tom_l]

I’ve done this already if you want some examples.

Yamaha Restful commands

Here’s an example of some Yamaha restful commands I use to control extra features of my Yamaha RX-V685 AV receiver. It will work for any receiver that uses this API (PDF link). Example of extra controls in Lovelace: [Screenshot_2020-10-14 Overview - Home Assistant] [Screenshot_2020-10-14 Administration - Home Assistant] Restful Commands: ################################################################# ## Amplifier Commands ################################################################# …