11-19-2021, 12:25 AM
The device driver has to be explicitly designed to expose device controls for example chip options or hardware volume. Basic drivers like rpi-dac or hifiberry-dac are designed only to handle the I2S audio stream and not device controls.
Maybe Soekris has a special driver for their board that exposes its volume controller??
Maybe Soekris has a special driver for their board that exposes its volume controller??