Zistovanie a nastavovanie jasu displeja

zistenie nastavenia jasu (system 2.7.13 a viac) je mozne pomocou

cat /sys/devices/platform/emtest-device/brightness_table

hodnota -1 znamena default (teda pre 10: 10, pre 50: 50), ine hodnoty znamenaju prisluchajuce hodnoty.

Nastavenie je mozne pomocou:

echo "11-20=>4" >/sys/devices/platform/emtest-device/brightness_table

Nastavi hodnotam 11 az 20 hodnotu 4. Je mozne nastavit aj:

echo "11-20=>5-10" >/sys/devices/platform/emtest-device/brightness_table

co nastavi linearne prisluchajuce hodnoty 11: 5, 15: 7 a 20: 10.

Je mozne nastavity aj default:

echo "0-100=>-1" >/sys/devices/platform/emtest-device/brightness_table

Je mozne catnut aj cely viacriadkovy subor (hodnote su oddelene riadkom).

 
howto/backlight.txt · Last modified: 2013/02/08 15:12 by 192.168.10.223
 
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