The same problem exists in oneiric with powertop 1.97:
PowerTOP 1.97 Overview Idle stats Frequency stats Device stats Tunables
Summary: 0.0 wakeups/second, 0.0 GPU ops/second and 0.0 VFS ops/sec
Usage Events/s Category Description 100.0% Device Audio codec hwC0D1: LSI 100.0% Device Audio codec hwC0D0: Analog Devices [...]
The same problem exists in oneiric with powertop 1.97:
PowerTOP 1.97 Overview Idle stats Frequency stats Device stats Tunables
Summary: 0.0 wakeups/second, 0.0 GPU ops/second and 0.0 VFS ops/sec
100.0% Device Audio codec hwC0D1: LSI
100.0% Device Audio codec hwC0D0: Analog Devices
[...]