Name: Topping DX7s
Receiver: Xmos XU208
DAC: 2 x ESS ES9038Q2M
Async: YES
Working with Volumio: YES
Tested Versions and Platforms: Allo Sparky, Volumio 2.729 ( and past versions 2018/2019)
Hardware Mixer on Volumio: YES
HW Mixer string:
Comments: With hardware mixer chosen you may find multiple options in the Mixer Control Name field named “Topping Clock Selector(…)” try both to see which one lets you control the volume from Volumio GUI. If you find volume lower than expected log in via SSH to your Volumio device and check alsamixer and F6 (audioon devices). You will find your “Topping Clock Selectors”, adjust the level of each on and confirm results in web GUI; one of them will not respond to changes. Set that one at 100% and save changes (sudo alsactl store). Ensure you have the controllable one selected in the Web Volumio GUI Hardware Mixer settings and you’re done!
I have had this problem return when I upgraded Volumio - however once fixed it seems to stay that way.