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

Takashi Iwai tiwai at suse.de
Mon May 23 18:14:09 CEST 2011

At Mon, 23 May 2011 16:58:39 +0100,
Roo - Andrew Baines wrote:
> Dear All,
> I have been told I should send an email to this list from this
> bug<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5367>
>  (0005367).
> There is a regression in ALSA 1.0.23 and above for Lenovo sound. The
> internal mic no longer works. A helpful guy 'Raymond' on the bug identified
> that pin-ctls is correct in ALSA 1.0.21 and 1.0.22, but incorrect in higher
> versions due to SND_PCI_QUIRK_VENDOR. This is based on alsa-info.sh run on
> systems using different versions of ALSA but on the same system.
> The jacksense has never actually worked but I have always managed to use
> hda-verb to do this for me - the main issue is the regression with the
> internal mic.

Try the latest alsa-driver snapshot from

and pass model=auto.  If this doesn't work, please give alsa-info.sh
output at this state.



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