Trouble with headphones and hda audio

[Christian Stærk]

On 12/6/18 3:16 PM, David Wolfskill wrote:
> On Thu, Dec 06, 2018 at 03:02:43PM +0100, Christian Stærk wrote:
>
> I have a new laptop. It's running 11.2-RELEASE.
>
> While sound on the speakers works fine, sound through the headphones
> does not.
> .....
> Some of us who had a problem of this nature (in the cases with which I
> am familiar, the headphones produced a loud hissing/static-type noise,
> regardless of volume settings or attempts to play sound through them)
> have found that the circumvention in
> <https://reviews.freebsd.org/D17772> has been effective.
It works somewhat.

The sound doesn't switch to headphones automatically when they are 
plugged in, but I can change hw.snd.default_unit to 1 and sound will 
then play on the headphones.

Thank you for the tip.

Best regards
Christian