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Bug#438969: libxrandr2: Restoring the backlight uses inadequate values

Package: libxrandr2
Version: 2:1.2.1-1
Severity: normal

I do have a Sony laptop, and I have mapped the function keys controlling
the brightness of the display to a script setting values in
/sys/class/backlight/sony. This works fine both in the console and
within X up to the point where xscreensaver kicks in and sets the
display to DPMS standby, suspend or off mode. After reactivating the
computer the screensaver sets the brightness of the display using the
xrandr extension not to the value the display brightness had before, but
to the value which is still in memory. To make a long story short, xrandr
should check the actual brightness of the display before it is changed.

I am filing this bug against xrandr because the xbacklight tool shows the
same behaviour, so I do not think that this is an xscreensaver problem.
If I am wrong, please feel free to reassign the bug to another package.


-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to C)
Shell: /bin/sh linked to /bin/bash

Versions of packages libxrandr2 depends on:
ii  libc6                         2.6-2      GNU C Library: Shared libraries
ii  libx11-6                      2:1.0.3-7  X11 client-side library
ii  libxext6                      1:1.0.3-2  X11 miscellaneous extension librar
ii  libxrender1                   1:0.9.2-1  X Rendering Extension client libra
ii  x11-common                    1:7.2-5    X Window System (X.Org) infrastruc

libxrandr2 recommends no packages.

-- no debconf information

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