меняю яркость с помощью скрипта brightness.sh найденного в просторах интернета
#!/bin/bash
var1=`setpci -s 00:02.0 F4.B`
var1d=$((0x$var1))
case "$1" in
up)
#calculate new brightness
var2=`echo "ibase=10; obase=16; a=($var1d+16);if (a<255) print a else print 255" | bc`
echo "$0: increasing brightness from 0x$var1 to 0x$var2"
setpci -s 00:02.0 F4.B=$var2
;;
down)
#calculate new brightness
var2=`echo "ibase=10; obase=16; a=($var1d-16);if (a>5) print a else print 5" | bc`
echo "$0: decreasing brightness from 0x$var1 to 0x$var2"
setpci -s 00:02.0 F4.B=$var2
;;
set)
#n.b. this does allow "set 0" i.e. backlight off
echo "$0: setting brightness to 0x$2"
setpci -s 00:02.0 F4.B=$2
;;
get)
echo "$0: current brightness is 0x$var1"
;;
toggle)
if [ $var1d -eq 0 ] ; then
echo "toggling up"
setpci -s 00:02.0 F4.B=FF
else
echo "toggling down"
setpci -s 00:02.0 F4.B=0
fi
;;
*)
echo "usage: $0 {up|down|set <val>|get|toggle}"
;;
esac
exit 0
chmod 777 /usr/bin/brightness.shUSERNAME ALL=/usr/bin/brightness.sh
USERNAME ALL=(ALL) NOPASSWD:/usr/bin/brightness.shPS. это костыль для GMA 3600 в openSUSE
