1. http://localhost:1234/alsa-core.html?devid=hw:xx
2. amixer -D hw:PCH controls

Hello world test

1. getinfo: List Sound Cards
2. Get All Sound Card info
3. Get Sound Card info devid=xx
4. Get all Alsa Ctls for devid=xx
5. Get Alsa Ctls numids:[1,2]
6. Get Alsa Ctl numids:17


7. Set Alsa Ctl numid:[[17,20]]
8. Set Alsa Ctl numid:[{id:17,val:50}]}
9. Set Alsa Ctl numids:[[1,[20,20]]]
10. Set Alsa Ctl numids:[{id:1,val:[50,50]}]
11. Set Alsa Ctl numids:[{id:1,val:[50,50]}, {id:17,val:50,50}]


12. List UCM verbs
13. Set UCM HiFi
14. Set UCM HiFi+Headphone
15. Set UCM HiFi+Headphone+RecordMedia


16. Get UCM OutputDspName+PlaybackPCM+CapturePCM (SET UCM)


17. Subscribe AlsaCtl Events