[alsa-devel] Constant headphone noise on Dell XPS 13 9365

[Takashi Iwai]

On Wed, 31 May 2017 20:56:53 +0200,
Felipe Contreras wrote:
> 
> On Wed, May 31, 2017 at 1:19 PM, Takashi Iwai <tiwai at suse.de> wrote:
> 
> > Is there "Loopback Mixer" switch?  If yes and it's on, try to turn it
> > off.  The analog loopback is often the source of the unknown noise.
> 
> Yes, "Loopback Mixing". it was off.
> 
> > Other than that, try to apply the existing quirks.  Some of them are
> > applicable via model option of snd-hda-intel module.
> 
> Which quirks should I try?

Check your codec chip, and then see which model option is available.


Takashi