On Wed, Aug 15, 2012 at 7:00 AM, Michael Nawrocki <zaedrake@xxxxxxxxx>wrote: > Hey everyone, > > I'm trying to get my laptop backlight keys (fn+f6/f7) to adjust the > brightness of my toshiba laptop backlight. Previously, I had entered the > following in my /etc/acpi/handler.sh to handle the acpi events generated > when those keys were pressed: > > video/brightnessdown) > echo $(($(cat /sys/class/backlight/acpi_video0/brightness) -1)) > > /sys/class/backlight/acpi_video0/brightness > ;; > > video/brightnessup) > echo $(($(cat /sys/class/backlight/acpi_video0/brightness) +1)) > > /sys/class/backlight/acpi_video0/brightness > ;; > > However, as I am working on migrating to systemd, acpid no longer runs > and hence does not handle these events. How can I write a similar > handler into systemd? > > Thanks, > > Mike > > I used to reduce my brightness using a similar command in /etc/rc.local (/bin/echo -n 0 > /sys/class/backlight/acpi_video0/brightness) but for the reasons that you mention this won't work anymore. I then switched to using X's brightness handler (xbacklight -set 0) which reduces display brightness as X starts. This is an easy solution but only works if you use X or if the delayed reduction in brightness is acceptable to you. HTH -- Aurko Roy GPG key: 0x20C5BC31 Fingerprint:76B4 9677 15BE 731D 1949 85BA 2A31 B442 20C5 BC31
