Re: [PATCH] Sonypi: convert to the new platform device interface

[Andrew Morton]

"Yu, Luming" <luming.yu@xxxxxxxxx> wrote:
>
> But, from my understanding, sonypi.c should be cleanly implemented in ACPI.
>

heh, good luck.  I've spent a decent chunk of this week making Linux suck
less than 100% on a new Vaio, Am currently at 95%.  Poking things into
sonypi's /proc/acpi/brightness is the only way known of controlling the
screen brightness.  One of the mysterious and undocumented ACPI calls will
do it, but we don't know which, nor how.
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