https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1091868

the internal speaker pin is missing and pulseaudio expect speaker
playback volume/switch control and speaker phantom jack


your s7110 (alc262) are similar to s7020(alc260) 

you must send email to ask the author of the patch

- SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu", ALC262_FUJITSU),

+       SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu", ALC262_FIXUP_BENQ),

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https://bugs.launchpad.net/bugs/1098742

Title:
  no sound/ Speaker issue 12.04

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