Do you have the Kernel module installed and the "probe_mask" line added to /etc/modprobe.d/sound.conf?
When both are correct, the next time you reboot "aplay -l" will only list 1 NVIDIA HDMI and not 4.
Do you have the Kernel module installed and the "probe_mask" line added to /etc/modprobe. d/sound. conf?
When both are correct, the next time you reboot "aplay -l" will only list 1 NVIDIA HDMI and not 4.