[Pkg-fglrx-devel] Bug#719536: Bug#719536: fglrx-driver: Cannot change brightness

[Patrick Matthäi]

You realy should report such issues to upstream, since we can not do 
*anything* about such issues.

@Andreas and Michael:
Any ideas what we can do to avoid so much upstream-only related bug reports?

Am 14.08.2013 15:21, schrieb Carlo Marchiori:
> Some further information (copying from a report erroneously filed to the
> linux-image package).
>
> At first I could not control backlight at all.
> Then, following forums and wikis on the net i tried to pass the
> acpi_backlight=vendor parameter to the kernel, and now it works... a little
> bit.
>
> What works is that all methods, the keyboard special keys, xbacklight,
> gnome-
> control-center, all udpate the same file, in my case
> /sys/class/backlight/samsung/brightness.
>
> But. First that file is reset to the maximum value at every restart. I
> worked
> around this by echoing something into it in /etc/rc.local.
>
> Second, and worst, when I change the file value at runtime (by any of
> the above
> methods), the value is applied... sometimes. I mean, I keep changing the
> value
> and once a in while the brightness changes, after 2, 5, 10 seconds, and
> I have to
> be lucky that it happens at the right brightness. If you just change the
> value
> without keeping trying, the value is not usually applied.
>
> Regards, Carlo.

-- 
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Mit freundlichem Gruß / With kind regards,
  Patrick Matthäi
  GNU/Linux Debian Developer

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         patrick at linux-dev.org
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