[alsa-devel] Fwd: Request for HW auto-recognition: HP Pavilion dv7 with STAC92xx

[Takashi Iwai]

At Fri, 14 Dec 2012 22:12:18 +0100,
Nicolas Maître wrote:
> 
> Hi,
> 
> At Wed, 12 Dec 2012 18:08:25 +0100,
> Tomas Pospisek wrote:
> >
> > Hello,
> >
> > I have a HP Pavilion dv7 laptop (LS066EA#UUZ), with:
> >
> >   # cat /proc/asound/card0/codec* | grep Codec
> >   Codec: IDT 92HD81B1X5
> >   Codec: Intel CougarPoint HDMI
> >
> > when play sound without any tweaks, I get a very weak sound output. If I
> > want to have "beats audio", that is subwoofer and all speakers, I need to
> > set:
> >
> >   # cat /etc/modprobe.d/alsa-base.conf
> >   options snd-hda-intel model=hp-dv7-4000
> >
> > Could the snd_hda_intel alsa driver be updated to recognize and setup the
> > driver accordingly?
> >
> > alsa-info.sh output here:
> >
> >
> > http://www.alsa-project.org/db/?f=54ea874f43f12c1572aff3ee3113dc4b0ad0b398
> 
> I'm not quite sure that I have the exact same hardware, but I think
> so. I have 5 speakers (rear left and right, front left and right +
> subwoofer)
> Here is my alsa-info:
> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1056669/+attachment/3459484/+files/alsa-info.txt.lYaCjHLUA1
> In my case, model=hp-dv7-4000 doesn't fully solve the problem. The
> subwoofer works but it is not mapped as such.
> After some tests, it seems that the alsa's speakers rear left and rear
> right are mapped to the subwoofer. The front ones are alright.
> With the model=hp-dv5 that I'm using, the subwoofer isnt recognized at
> all, but the rear speakers are correctly mapped.
> 
> Also, with hp-dv7-4000, the internal microphone is still used when a
> micro jack is plugged in. That's not the case with hp-dv5.
> 
> If you think there's a configuration issue on my side, please let me
> know, but I think hp-dv5 is actually a better default choice if I have
> to choose between both.

So in this case you need to figure out the exact pin configurations on
your machine.  hda_analyzer and hdajackretask programs would be a
great help for that.


Takashi