No sound through HDMI

[librecomputer]

Libre Computer Le Potato AML-S905X-CC No Analog Audio Issues with Alsamixer and High Voltage

The applies to official Libre Computer images! If you are using Armbian or other images, ALSA is not setup correctly and you need to set alsamixer fields. [Screenshot from 2023-11-13 00-54-04] If you are having analog audio problems or no sound from the CVBS jack on AML-S905X-CC, please check the voltage of your power supply. Due to Raspberry Pi 3’s poor power design, many companies made out-of-spec MicroUSB chargers that exceeded upper bound of the 5V±10%. We tested some power supplies that …