Same problem with Sony Vaio VPCS12X9E, installation dkms and package http://people.canonical.com/~diwic/temp/alsa-intel-hda-diwic-dkms_1.0.23.diwic_all.deb is only partial solution. Internal microphon is working, but recorded sound is terrible and only right internal speaker works, left one no.
Same problem with Sony Vaio VPCS12X9E, installation dkms and package http:// people. canonical. com/~diwic/ temp/alsa- intel-hda- diwic-dkms_ 1.0.23. diwic_all. deb is only partial solution. Internal microphon is working, but recorded sound is terrible and only right internal speaker works, left one no.