Thanks for the advice. I installed 4.7.0-040700.201608021801 and it doesn't make any difference.
I did discover, though, that with either kernel, if you give intel_backlight a brightness of 0, the backlight switches off completely.
Thanks for the advice. I installed 4.7.0-040700. 201608021801 and it doesn't make any difference.
I did discover, though, that with either kernel, if you give intel_backlight a brightness of 0, the backlight switches off completely.