here is my changed source.
change the code at: *(nv_card->PDIMMER) = 0x80000100;
printf("br: %i\n", brightness);
printf("wmask: %08x\n", 0x80000000 | brightness);
if(brightness >= 0 && brightness < 1024) {
(nv_card->PDIMMER) = 0x80000000 | brightness; //0x0 to 0x401
} else {
printf("value must be between 0 and 1024\n");
}
printf("DIMMER: %08x\n", *nv_card->PDIMMER);ยท
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No Screen Backlight Control; Sony Vaio with nvidia 8 series graphics
https://bugs.launchpad.net/bugs/95444
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