Package: gnome-settings-daemon
Version: 3.8.5-2
Severity: normal

When using the screen brightness hotkeys, (Fn + F[89] in this System76
daru4), the brightness is only adjusted when lowering it. WHen pressing
the "raise brightness" hotkey, the OSD appears, but doesn't brightness
doesn't rise.

Opening the gnome power settings to adjust brightness works fine.

Further investigation shows that the
org.gnome.SettingsDaemon.Power.Screen.StepUp method is not working:

# This works no matter if current percentage is lower or higher
mdbus2 org.gnome.SettingsDaemon.Power \
        /org/gnome/SettingsDaemon/Power \
        org.gnome.SettingsDaemon.Power.Screen.SetPercentage \
        90

# This doesn't work
mdbus2 org.gnome.SettingsDaemon.Power \
        /org/gnome/SettingsDaemon/Power \
        org.gnome.SettingsDaemon.Power.Screen.StepUp

# But this does
mdbus2 org.gnome.SettingsDaemon.Power \
        /org/gnome/SettingsDaemon/Power \
        org.gnome.SettingsDaemon.Power.Screen.StepDown

Filing to gnome-settings-daemon because it seems like it provides this
service. Please reassign if wrong.

Also, if there is more information I could provide, please ask, I will
be glad to provide it.

Saludos

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.13-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnome-power-manager depends on:
ii  dbus-x11                                     1.8.0-2
ii  dconf-gsettings-backend [gsettings-backend]  0.18.0-1
ii  gnome-settings-daemon                        3.8.5-2
ii  libc6                                        2.18-4
ii  libcairo2                                    1.12.16-2
ii  libglib2.0-0                                 2.38.2-5
ii  libgtk-3-0                                   3.10.7-1
ii  libpango-1.0-0                               1.36.2-2
ii  libpangocairo-1.0-0                          1.36.2-2
ii  libupower-glib1                              0.9.23-2+b1
ii  notification-daemon                          0.7.6-1
ii  upower                                       0.9.23-2+b1

gnome-power-manager recommends no packages.

Versions of packages gnome-power-manager suggests:
ii  policykit-1  0.105-4

-- no debconf information


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