https://stackoverflow.com/questions/27122564/which-version-of-linux-has-support-for-dolby-advanced-audio-v2 https://github.com/shuhaowu/linux-thinkpad-speaker-improvements https://stackoverflow.com/questions/27122564/which-version-of-linux-has-support-for-dolby-advanced-audio-v2 https://ubuntuforums...