Martin Steigerwald - 26.05.20, 14:35:39 CEST: > Hi Kai. > > Kai Uwe Broulik - 20.05.20, 21:31:07 CEST: > > PowerDevil has two (three, if you count DDC) means of controlling > > screen brightness: > > > > * Writing to sysfs (/sys/class/backlight and /sys/class/leds) > > * Using XRandr output property > > > > XRandR is doing X calls and we have some lovely animated screen > > brightness change. However, the UPower "backend" in PowerDevil is > > quite a spaghetti class and having multiple ways to control LEDs > > doesn't help. > > Read your blog post and tried the command there: > > % QT_LOGGING_RULES='powerdevil=true' > /usr/lib/x86_64-linux-gnu/libexec/ org_kde_powerdevil > > gave no output whatsoever. > > However as I am using the "modesetting" driver I bet it won't use > XRandR. > > Also that is on Debian Sid where KDE Frameworks currently is still at > 5.62. Sandro works on 5.70 currently. ThinkPad T520 with Intel > Sandybridge graphics.
Actually I already had 5.69 from Debian experimental. 5.70 now coming in to unstable, so I can test again once it is available. -- Martin