shairport-sync: Unable to integrate with system volume sound

[firedevel]

LX01 1.32.6

warning: The hardware mixer specified -- "headphone volume" -- does not have a dB volume scale, and so can not be used by Shairport Sync.

[duhow]

Does it work with mysoftvol? LX01 has these 2 different volumes which add up.

[firedevel]

No, the error is the same.