[Bug 239062] no sound from Realtek ALC282 (analog) chipset in Trident OS

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239062

--- Comment #4 from BorichL <borich at borich.spb.ru> ---
(In reply to mauro from comment #2)

You need to enter in the terminal window shell command

dmesg |grep hdaa 

and find in the output string like 

hdaa1: <Realtek ALC282 Audio Function Group> at nid 1 on hdacc1

In this example from my notebook codec having device number 1 (hdaa1) and
command must be "sysctl dev.hdac.1.polling=1"

If this help, you may be add dev.hdac.0.polling=1 or dev.hdac.1.polling=1 in
your /etc/sysctl.conf 

Even if this setting helps, we need patch for snd_hda driver. Pooling mode will
be increase CPU load by comparison with interrupt mode.

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