[alsa-devel] Realtek ALC286 SONY Vaio Pro 13 Ubuntu 13.10

David Henningsson david.henningsson at canonical.com
Wed Oct 2 08:17:44 CEST 2013

On 10/02/2013 07:09 AM, Raymond Yau wrote:
>>> I have added this information to the bug report
>>> <https://bugs.launchpad.net/bugs/1228689>
>>> where I also post my comments so that they are more persistent and
>>> available to other users with similar issues.
> http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=abdd8f510686da0a58e475bc0143d1069e5f53da
> ALSA: hda - Apply ALC269 VAIO fix-up to all Sony laptops with ALC269
> We've applied a fix-up for ALC269 VAIO only for two models.  But all Sony
> VAIO models with ALC269 codec seem to require the similar fix.
> Let's apply it with vendor-id mask.
> Does it mean that the Fixup need to check whether node 0x19 must be valid
> Mic pin if Sony Vaio pro 13 alc286 does not use node  0x19?

Yeah, that's a valid point - we should try different vref values for pin
0x18 to see if any of them works to enable headset mic (and possibly
also get rid of the noise in headphones).

David Henningsson, Canonical Ltd.

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