Re: [gentoo-user] no sound through headphones (still bad)

[Alec Ten Harmsel <alec@alectenharmsel.com>]

Hi,

On Sat, Jul 16, 2016 at 11:24:20AM -0400, allan gottlieb wrote:
> Hardware: Dell Latitude E7450 laptop
> 
> Gentoo essentially all stable
> Gnome / Systemd

This is basically my setup, but I don't run gnome.

> When I play a movie using totem it sounds fine if no headphones are
> plugged it.
> 
> No sound at all with headphones.  I tried a few, one with a microphone
> several without.

USB or 3.5mm jack?

> The gnome sound settings gui recognizes that the headphones are in but
> the sound test is silent.  If, with the phones still in, I select the
> internal speakers, all sounds well.
> 
> I installed pauvcontrol and selected "Output Devices".
> When I selected "Speakers" as the port the volume meter moves around
> normally and the sound is fine.
> When I selected "Headphones (plugged in)" as the port the volume meter
> again moves around normally but there is no sound.
> 
> This laptop dual boots windows.  I played the same movie on windows and
> sound was normal both with the speakers and the headphones.
> 
> What should I try next?
 
What does running `dmesg' output around the time that you plug in and
unplug your headphones? Around the time that you start a movie/music?

What about `lsusb', `lspci', etc?

Alec