Re: SOLVED: Re: entering sleep mode quietly/non-verbose
On Tue, 7 Dec 2004 10:08:06 +0100 (CET)
Michael Schmitz <email@example.com> wrote:
> The backlight level 'register' would permit 255 levels (which ones are
> safe to use is a matter of some confusion, though). The 16 levels are just
> a matter of convenience to keep the backlight_conv tables short. I'm
> sure these tables could be replaced by 32 level tables, or we could do
> without any tables (they look like simple linear relations to me). The
> only benefit I can see is to allow a more fine-grained control to
> applications - for the good old backlight buttons, 15 levels seems enough.
> I'll change the manpage accordingly.
Nice info :-) I never had such a close look into the kernel driver.
> Re: backlight control: could you please read back the current backlight
> from the kernel before setting a new level upon brightness button events?
> The sudden jump in intensity (after some script modified the backlight
> level) is somewhat surprising otherwise.
Yes, I will. The code is already there but deactivated.