Bug#694505: gnome-settings-daemon: wrong brighness max value with acpi_backlight=vendor and intel

[Adrin]

Package: gnome-settings-daemon
Version: 3.4.2+git20120925.a4c817-2
Severity: normal

Hi,
I have a Samsung Series 9 13.3" laptop (NP900X3C).

I added acpi_backlight=vendor to kernel uptions, and now the brightness
setting
keys can only decrease the brightness. They can not increase it because it
seems that they think the max value is something around 100, which is wrong
and
the right value is around 4400.

I can set the brightness using this command:
echo 1600 > /sys/class/backlight/intel_backlight/brightness

Thanks,
Adrin.



-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.6.0-7.dmz.1-liquorix-amd64 (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnome-settings-daemon depends on:
ii  dconf-gsettings-backend [gsettings-backend]  0.12.1-2
ii  dpkg                                         1.16.9
ii  gsettings-desktop-schemas                    3.4.2-2
ii  libatk1.0-0                                  2.4.0-2
ii  libc6                                        2.13-35
ii  libcairo-gobject2                            1.12.2-2
ii  libcairo2                                    1.12.2-2
ii  libcanberra-gtk3-0                           0.28-5
ii  libcanberra0                                 0.28-5
ii  libcolord1                                   0.1.21-1
ii  libcomerr2                                   1.42.5-1
ii  libcups2                                     1.5.3-2.4
ii  libdbus-glib-1-2                             0.100-1
ii  libfontconfig1                               2.9.0-7
ii  libgcrypt11                                  1.5.0-3
ii  libgdk-pixbuf2.0-0                           2.26.1-1
ii  libglib2.0-0                                 2.33.12+really2.32.4-3
ii  libgnome-desktop-3-2                         3.4.2-1
ii  libgnomekbd7                                 3.4.0.2-1
ii  libgnutls26                                  2.12.20-2
ii  libgssapi-krb5-2                             1.10.1+dfsg-2
ii  libgtk-3-0                                   3.4.2-4
ii  libgudev-1.0-0                               175-7
ii  libk5crypto3                                 1.10.1+dfsg-2
ii  libkrb5-3                                    1.10.1+dfsg-2
ii  liblcms2-2                                   2.2+git20110628-2.2
ii  libnotify4                                   0.7.5-1
ii  libnspr4                                     2:4.9.2-1
ii  libnspr4-0d                                  2:4.9.2-1
ii  libnss3                                      2:3.13.6-1
ii  libnss3-1d                                   2:3.13.6-1
ii  libpackagekit-glib2-14                       0.7.6-1
ii  libpango1.0-0                                1.30.0-1
ii  libpolkit-gobject-1-0                        0.105-1
ii  libpulse-mainloop-glib0                      2.0-6
ii  libpulse0                                    2.0-6
ii  libsqlite3-0                                 3.7.13-1
ii  libupower-glib1                              0.9.17-1
ii  libwacom2                                    0.6-1
ii  libx11-6                                     2:1.5.0-1
ii  libxfixes3                                   1:5.0-4
ii  libxi6                                       2:1.6.1-1
ii  libxklavier16                                5.2.1-1
ii  libxtst6                                     2:1.2.1-1
ii  nautilus-data                                3.4.2-1+build1
ii  zlib1g                                       1:1.2.7.dfsg-13

Versions of packages gnome-settings-daemon recommends:
ii  pulseaudio  2.0-6

Versions of packages gnome-settings-daemon suggests:
ii  gnome-screensaver            3.4.1-1
ii  metacity [x-window-manager]  1:2.34.3-3
ii  x11-xserver-utils            7.7~3

-- no debconf information
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