Hi,
Thus far our assumption always was that the acpi backlight works better
than the intel native backlight. So everything only uses the intel
backlight if there's no other backlight driver by default.
So if I should merge this as a general solution for Windows 8 machines not
working properly, we first need to figure out what windows does on these
machines and either disable the acpi backlight or adapt it.
I fully agree to that. Making acpi_video control usable is preferable
over using intel_backlight. As I lack the detail knowledge about the
ACPI video stuff, I'd be great of one (or some) of you guys could look
at the mentioned bug report ([1]) and comment on what the problem might
be. I have added the basic needed information already and would be happy
to provide any needed debugging info.
Adding more kernel options is not a viable solution for the backlight mess
imo.
Actually I'm fine with hardcoding the percentage as well ;) I just
figured it might make sense to make it controllable for special-case
uses, while still making intel_backlight usable for the 'normal' use case.
Regards,
Danny
[1] https://bugzilla.kernel.org/show_bug.cgi?id=55071
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