[alsa-devel] Constant noise on HDA ALC275

[Takashi Iwai]

At Fri, 21 Sep 2012 15:37:40 +0200,
Julien Danjou wrote:
> 
> On Fri, Sep 21 2012, Takashi Iwai wrote:
> 
> > It's something like:
> > 	hda-verb /dev/snd/hw0D0 0x14 SET_EAPD 0x00
> > to turn off, and
> 
> This completely shuts down the speaker: no noise, but no sound at all if
> I play something.
> 
> > 	hda-verb /dev/snd/hw0D0 0x14 SET_EAPD 0x02
> > to turn on.
> 
> That makes it back to normal, with noise. :)
> 
> > Also, try to mute all sources in NID 0x0b,
> > 	hda-verb /dev/snd/hw0D0 0x0b SET_AMP 0x7480
> 
> This seems to not change anything at all.

OK, then could you give the alsa-info.sh output at the state where the
speaker makes noise?  The one you attached is apparently without the
speaker.


Takashi