Comment 6 for bug 1291616

post the output of alsa-info.sh

https://wiki.ubuntu.com/Audio/AlsaInfo

00:1b.0 Audio device [0403]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller [8086:2668] (rev 03)
 Subsystem: Sony Corporation Device [104d:81bb]

your pci ssid same as the reporter 's ssid

+ SND_PCI_QUIRK(0x104d, 0x81bb, "Sony VAIO", ALC260_FIXUP_VAIO_PINS),

if you still have problems , you need to send email to the author and reporter about your case