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12.04 - How to update ALSA driver to 1.0.25

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http://askubuntu.com – I have a relatively new Intel "Ultrabook", the HP Envy Spectre XT. It has the IDT 92HD99 sound card. Support for this was added to ALSA 1.0.25 based on this changelog: http://www.alsa-project.org/main/index.php?title=Changes_v1.0.24_v1.0.25... However the ALSA driver version in Ubuntu 12.04 is 1.0.24. Can someone explain how to update the ALSA driver to 1.0.25? The alsa-base package says it's using a package version 1.0.25-dfsg-0ubuntu1. Here is my ALSA version info: !!ALSA Version !!------------ Driver version: 1.0.24 Library version: 1.0.25 Utilities version: 1.0.2 (HowTos)