[alsa-devel] Regression post-ALSA 1.0.22 for Lenovo G555 Internal mic

Roo - Andrew Baines andrewmbaines at gmail.com
Tue May 24 00:24:48 CEST 2011

With the latest snapshot, the mic does not work still.

What has also changed from the previous snapshot provided is that when the
headphones are plugged in, no sound comes through the headphones, but still
through the speakers - before it came through both.

I have attached a verbose pulse log of about 15 seconds when i plugged in
and unplugged my headphones - I couldnt work out how to do an ALSA one.


On 23 May 2011 20:23, Takashi Iwai <tiwai at suse.de> wrote:

> At Mon, 23 May 2011 18:07:09 +0100,
> Roo - Andrew Baines wrote:
> >
> > I have tried the latest snapshot, and placed "options snd-hda-intel
> > model=auto" in /etc/modprobe.d/alsa-base.conf
> >
> > Still no sound into the mic, although sometimes when I open "PulseAudio
> > Volume Meter (Capture)" it now shows a lot of noise for about half a
> second
> > before nothing.
> >
> > Also, I used to have to put "/usr/local/bin/hda-verb /dev/snd/hwC0D0 0x19
> > SET_PIN_WIDGET_CONTROL 0x40" in /etc/rc.local to turn on the headphone
> > socket at boot, but this happens by itself now. The problem is that the
> > daemon "pinsensed<
> http://ubuntuforums.org/showpost.php?p=9599525&postcount=152>"
> > I was using no longer mutes the speakers when the headphones are plugged
> in.
> The driver should do auto-muting without such a daemon.  If it still
> doesn't, check whether the unsolicited event is triggered at plugging
> by adding some debug prints.
> > I have attached the new alsa-info.sh output (I hope attachments are
> allowed
> > on the mailing list)
> I fixed a couple of obvious bugs now.
> Please try alsa-driver snapshot again later with model=auto.
> thanks,
> Takashi
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