[alsa-devel] Regression on alsa-driver-1.0.18a on HDA for Dell Inspiron 1521

[Takashi Iwai]

At Wed, 12 Nov 2008 12:11:14 -0200,
Manuel Naranjo wrote:
> 
> >
> > Hello guys,
> >
> > I just upgraded my alsa from 1.0.16 to 1.0.18a (actually I tried
> > 1.0.18 for some days, and got lots of kernel crashes, which apparently
> > 1.0.18a fixes). Thing is that when I try to use my headphones with
> > 1.0.18a they don't work.
> >
> > I'm attaching alsa-info.sh outputs for both 1.0.16 and 1.0.18a too see
> > if this helps.
> >
> > Headphones detection works pretty well, when ever I plug the jack
> > internal speakers stop working but nothing is coming from the jack. I
> > can hear an static sounds, so it seems like the headphones are getting
> > the bias current, but not the signal itself.
> >
> > Please let me know how can I help you to debug this problem.
> >
> > Regards,
> > Manuel
> >   
> 
> Ohh btw, 1.0.18a connects the hardwar beeper, which can only be disabled 
> at compile time, just as a suggestion, isn't there any way to create a 
> way to mute this on runtime? For advanced users like us this is no 
> trouble, but for newbies this is an issue, and might scare them, the 
> beep on a dell laptop is quite annoying (you can't image how annoying 
> it's comming out of the headphones)

Don't you have "PC Beep" mixer control?


Takashi