I can also confirm this bug. I have a dell 7560 with ALC3246. I tried
14.04, 16.04, 17.04 and None of them works.
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https://bugs.launchpad.net/bugs/1583801
Title:
No sound via headphones
I believe the problem is kernel related, with the kernel 4.14 the problem
is gone.
Best regards,
Chunxiang Yan
On Fri, Dec 29, 2017 at 8:59 PM, Krešo Kunjas
wrote:
> Well i have upgraded to 17.10, and problem dissapeared. Now it always
> works. But i have tried some other fixes before