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This is a Conexant High-Definition Audio 1.0 codec


  • Chipset: CX20585
  • Interface: HD Audio 1.0

Linux ALSA driver

This codec is supported by the current Linux kernels

Note that the Internal microphone will give static, which for some ThinkPads (T410) is fixed with kernel or for others (X201) with kernel 2.6.35.

Alternatively the patch can be located here.

ThinkPads this chip may be found in