parent
db568241c1
commit
03c7760f05
@ -0,0 +1,30 @@
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diff --git a/install/2laptop/samsung/calculate-install/bin/backlight b/install/2laptop/samsung/calculate-install/bin/backlight
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index eb8e2d0..8ccef8e 100644
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--- a/install/2laptop/samsung/calculate-install/bin/backlight
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+++ b/install/2laptop/samsung/calculate-install/bin/backlight
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@@ -21,13 +21,23 @@ var1d=$((0x$var1))
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case "$1" in
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up)
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#calculate new brightness
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- var2=`echo "ibase=10; obase=16; a=($var1d+$AMOUNT);if (a<255) print a else print 255" | bc`
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+ var2=$(($var1d + $AMOUNT))
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+ if [[ $var2 -gt 255 ]]
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+ then
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+ var2=255
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+ fi
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+ var2=`printf "%x" $var2`
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echo "$0: increasing brightness from 0x$var1 to 0x$var2"
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setpci -s $DEVICE F4.B=$var2
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;;
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down)
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#calculate new brightness
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- var2=`echo "ibase=10; obase=16; a=($var1d-$AMOUNT);if (a>$MIN) print a else print $MIN" | bc`
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+ var2=$(($var1d - $AMOUNT))
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+ if [[ $var2 -lt $MIN ]]
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+ then
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+ var2=$MIN
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+ fi
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+ var2=`printf "%x" $var2`
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echo "$0: decreasing brightness from 0x$var1 to 0x$var2"
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setpci -s $DEVICE F4.B=$var2
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;;
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