*** This bug is a duplicate of bug 1875916 ***
https://bugs.launchpad.net/bugs/1875916
In case this helps the developers, I've been seeing users of Linux Mint
experiencing this recently.
The common factor has been the the D3 state of the speaker volume,
headphone volume, capture volume/switch NID's
Running the following command has always worked to get the headphones
working:
sudo hda-verb /dev/snd/hwC0D0 0x03 SET_POWER 0x0
Doing the same for the speaker NID (0x02) has been hit and miss, mostly
miss, and so far no one has tried the Capture NID.
Dell Inspiron's of various models seem to have been affected. Also, HP
Pavilion All-in-One's of a few different models that have ALC225 have
also experienced this.
4.15.0-96 was the last working kernel for most if not all of these
users.
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https://bugs.launchpad.net/bugs/1875985
Title:
[Inspiron 13-5368, Realtek ALC3253, Speaker, Internal] No sound at all
after kernel upgrade to 4.15.0-99-generic on Ubuntu 18.04.4
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