Verified with Linux E6400 4.12.0-041200rc1-generic #201705131731 SMP Sat May 13 21:32:36 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
powertop show Audio codec hwC0D2: Intel, hwC0D1: Conexant and hwC0D0: IDT at 100%
Verified with Linux E6400 4.12.0- 041200rc1- generic #201705131731 SMP Sat May 13 21:32:36 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
powertop show Audio codec hwC0D2: Intel, hwC0D1: Conexant and hwC0D0: IDT at 100%