[PROBLEM] I can not change volume control in settings mpd

[devGoodCat]

Hi!

Config:
Release Information

• Release: 6.4.2 2020-02-12
  

Platform Information

• Raspbian: null
  
  
• Linux kernel: 4.19.97-v8+ #1293
  
  
• Platform: Pi-3B+ 1GB v1.3
  
  
• Architecture: aarch64
  
  
• MPD version: 0.21.16
  

+ HiFiBerry Digi+


In settings Audio:
I2S audio device:  HiFiBerry Digi(Digi+)

In settings MPD:
Device type: I2S audio device 
Volume control: Software

Not possible to change volume control on the Disabled, after click save - setting changes back to software.

Help me please.
[size=undefined]
 

[/size]