Feature request for hardware volume control option

[EdS]

I can control the output level of my DAC using:

amixer -c 1 -D "hw:[device name]" set PCM [n% or ndB or mute or unmute]

Is it possible to implement something similar to allow client hardware volume control? I've seen the reference to Synchronator in another post but afaik alsa is not supported.

[max]

What does "alsa is not supported" mean? MPD can control any ALSA mixer, just like the "amixer" program. If amixer can control it, then it's "alsa supported".