Bug#918966: new(?) backlight brightness script

[Thorsten Glaser]

On Sat, 12 Jan 2019, Dmitry Bogatov wrote:

> Sure. Your contribution would be welcome.

I pushed it to a branch “tg-brightness” in the sysvinit
packaging on Salsa.

I decided to rework the init script, so it can even work
on multiple backlight brightness knobs, and added the
Intel one from my Thinkpad, keeping the ACPI one compatible.

(Also, quite some shell scripting cleanup. As developer of
a shell, I know what I’m doing there ☺)

bye,
//mirabilos
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