I just tested version 2.6.34-999.201004021325 from the mainline builds, the problem is fixed there. The backlight goes off when I close the lid and comes back on when I open it.
I just tested version 2.6.34- 999.20100402132 5 from the mainline builds, the problem is fixed there. The backlight goes off when I close the lid and comes back on when I open it.