$
pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm2: <Realtek ALC662 (Analog)> (play/rec)
pcm3: <Realtek ALC662 (Front Analog Headphones)> (play) default
No devices installed from userspace.
# nano /etc/sysctl.conf
example pcm3
cat /dev/sndstatInstalled devices:pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm2: <Realtek ALC662 (Analog)> (play/rec)
pcm3: <Realtek ALC662 (Front Analog Headphones)> (play) default
No devices installed from userspace.
# nano /etc/sysctl.conf
example pcm3
hw.snd.default_unit=3 dev.hdac.1.polling=3
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