Public bug reported:

Binary package hint: linux-source-2.6.20

Hello,
I have a Sony Vaio VGN-C1Z/B. It uses the intel-hda module to play sound. 
Unfortunately when I plug headphones in, sound continues to play from the 
internal speakers!

I tried manually setting a few ids as per the Ubuntu Wiki page on intel-
hda, I also tried the latest version of alsa directly from their site,
no change either.

Always this in dmesg:

hda_codec: Unknown model for ALC262, trying auto-probe from BIOS...

In alsamixer, I am able to manually mute just the speakers, but this should 
happen when headphones are plugged in. 
I don't really think there should be two separate controls there anyhow.

Cheers

** Affects: linux-source-2.6.20 (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
Speakers play even with headphones in on Sony Vaio Intel-HDA
https://bugs.launchpad.net/bugs/110145
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