Hi,
[...]
> > - When you press Fn + F2 now, the screen actually shuts off. Before it
> > seemed as if it just blackened it and put the brightness on lowest point.
> >
>
> Yup, this is a known problem, I only found it when with the new EC
> version(such as PQ1D26, please check the version via
> "cat /proc/cmdline"). I have tried to resume the brightness in the
> kernel when resuming from Fn + F2, but it not works. So, perhaps EC does
> some BAD jobs there, will check it later and will try to fix it in
> kernel space.
Seems the latest EC shut the backlight off when Fn + F2 is pressed, and
if we do it in kernel again, it fails to resume the original brightness,
even if I save/restore the original brightness manually.
(This is exactly an interface problem between EC and Kernel)
Just "fixed" it via avoiding shutting the backlight off again in kernel.
but Fn + F2 will not work for the users who are using the old ECs.
Regards,
Wu Zhangjin
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