Thread: Acer 4820 TG - brightness regulation disable
hi i'm having problem, brightness regulation isn't me. without parameters i'm having 3 steps of brightness, acpi_backlight=vendor kernel parameter i'm having more levels, not allow me use properly. example starts 1/3 of brightness level in windows = not have. best solution me seems disable native brightness handling , mount prepared script handle itself. turn off native key-bindings able use mine customized script. code: #!/bin/sh # # filename: backlight.sh # description: control backlight brightness of google cr-48 # # usage: ./backlight.sh (up|down) # # uses 'cat' write values video backlight device's # brightness file. # # location of brightness device file #file=/sys/class/backlight/i915_backlight/brightness file=/sys/class/backlight/intel_backlight/brightness # current value current=`cat ${file}` # command, whether or down command="$1" # increment up/down amount increment=20 # calculate value go up_val=`echo...