Systemd/src/backlight
Denis Tikhomirov 4cd2b2cf8c backlight: Do not clamp brightness for LEDs
https://bugs.freedesktop.org/show_bug.cgi?id=77092

On Thu, Jun 05, 2014 at 08:37:20AM +0200, Lennart Poettering wrote:
> The patch is line-broken, please send an uncorrupted patch!
I am very sorry, I forgot that my client limits line width. I will use
mutt now on.
> clamp_brightness() clamps the brightness value to the range of the
> actual device. This is a recent addition that was added to deal with
> driver updates where the resolution is changed. I don't think this part
> should be dropped for LED devices. The clamp_brightness() call hence
> should be called unconditionally, however, internally it should use a
> different min_brightness value if something is an !backlight devices...
Thank you for explanation, this sounds very reasonable to me. Please,
see updated patch:
2014-06-10 18:57:48 +02:00
..
backlight.c backlight: Do not clamp brightness for LEDs 2014-06-10 18:57:48 +02:00
Makefile backlight: add minimal tool to save/restore screen brightness across reboots 2013-08-14 01:57:02 +02:00