Richard Hughes wrote: > As we all know, the hal-ectimisation continues. At the moment, > gnome-power-manager still uses HAL for two things: > > * Ambient light sensors > * Setting the backlight on hardware without xrandr BRIGHTNESS support, > or where xrandr falls over > > Now, I've held off adding support for backlight devices to > DeviceKit-power in the past, as I always believed that xrandr was the > way to go long term. Unfortunately, I think only the Intel Xorg driver > has support for this interface, and it seems to work only for select > drm versions (and depending on the phase of the moon). Therefore, I > think we need to support kernel backlight devices as these still > account for the majority of laptops, and nearly all embedded hardware. > > And then there are ambient light sensors. HAL supports a few different > types, but that would be pretty easy to copy the code and move it > somewhere else. >
Great to hear that, that's the only one issue which prevents me from completely remove HAL dependency in Xfce power manager, i'm will be happy to drop HAL if devkit-power supports brightness control like HAL does to avoid any regression that, i'm sure, users will complain a lot about. My opinion on these questions. > So, some questions: > > * Do we still need to support backlight devices, even in a XBACKLIGHT world? > No. > * Does the brightness functionality belong in DeviceKit-power or > something else (DeviceKit-backlight?) > Brightness functionality should be in DeviceKit-power, as for the lid device, only power managers are looking for these informations, and i don't think there is point to have DeviceKit-backlight. > * Do we want to move the ambient light sensor stuff at the same time? > No. > * Do we support hardware with more than one backlight device > (shouldn't, but could happen) > I'm not sure about this, but i would say no for the moment. > Advice required. Thanks. > > Richard. > Thanks, Ali. > _______________________________________________ > devkit-devel mailing list > devkit-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/devkit-devel > -- Send unlimited messages for free to all destinations with DBus. http://www.freedesktop.org/wiki/Software/dbus _______________________________________________ devkit-devel mailing list devkit-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/devkit-devel
