Different sets of modules are possible

[nponeccop]

I found acpi-eeepc-generic almost unusable in default kernel configuration. So the need for different kernel modules should at least be documented.

The code expects eeepc-laptop module to be loaded, which is not always the case. To load eeepc-laptop the kernel boot option acpi_osi=Linux must be set, at least on my combination of EEE model and BIOS.

If the option is not set, the kernel loads wmi, asus-wmi and eeepc-wmi modules are loaded instead.

Interestingly asus-laptop and asus-nb-wmi modules cannot be loaded with both kernel option settings.

To investigate which modules cause which effects, it's better to test them one by one if it's not prohibited by dependencies. Processor, AC and battery events in acpi_listen are generated by processor, ac and battery kernel modules.

Apparently, readable event names only work with new *wmi modules, and existing acpi-eeepc-generic config only works with old stack based of sparse-map and eeepc-laptop modules.