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Clamp negative brightness before applying exponent #143

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Clamp negative brightness before applying exponent #143

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2 changes: 1 addition & 1 deletion brightnessctl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -370,7 +370,7 @@ float val_to_percent(float val, struct device *d, bool rnd) {
}

unsigned long percent_to_val(float percent, struct device *d) {
return roundf(powf(percent / 100, p.exponent) * d->max_brightness);
return roundf(powf(fmaxf(percent, 0) / 100, p.exponent) * d->max_brightness);
}

void print_device(struct device *dev) {
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