On RPI2 with USB sound adapter, ES always reports VolumeControl::init() - Failed to find mixer elements! · Issue #433 · Aloshi/EmulationStation · GitHub
Retro Gaming With RetroPie, GPi CASE 2, and a Raspberry Pi | Navendu Pottekkat
Keeps coming back - Failed to find Mixer Elements - RetroPie Forum
USB Audio Card lv10 Volume Control: Failed to find mixer ((Solved)) - RetroPie Forum
volumecontrol::init() - Failed to find mixer elements! : r/RetroPie
Latest update lvl0: VolumeControl::init() - Failed to find mixer elements! - RetroPie Forum
USB Audio Card lv10 Volume Control: Failed to find mixer ((Solved)) - RetroPie Forum