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Improve backlight script.
author
Christian Heller
<c.heller@plomlompom.de>
Sun, 16 Apr 2017 04:29:43 +0000
(06:29 +0200)
committer
Christian Heller
<c.heller@plomlompom.de>
Sun, 16 Apr 2017 04:29:43 +0000
(06:29 +0200)
bin/w530_backlight.sh
patch
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diff --git
a/bin/w530_backlight.sh
b/bin/w530_backlight.sh
index e9a0c6bd5e274c464938d039956e18e570706695..5b24fa7265de68ef3f5c578572cd16372d7b3c3b 100755
(executable)
--- a/
bin/w530_backlight.sh
+++ b/
bin/w530_backlight.sh
@@
-10,8
+10,8
@@
fi
backlight_dir=/sys/class/backlight/intel_backlight
max_brightness=$(cat "${backlight_dir}"/max_brightness)
target="${backlight_dir}"/brightness
backlight_dir=/sys/class/backlight/intel_backlight
max_brightness=$(cat "${backlight_dir}"/max_brightness)
target="${backlight_dir}"/brightness
-fract=$(expr "${max_brightness}" / 100)
if [ "${1}" = "+" -o "${1}" = "-" ]; then
if [ "${1}" = "+" -o "${1}" = "-" ]; then
+ fract=$(expr "${max_brightness}" / 20)
cur_brightness=$(cat "${backlight_dir}"/brightness)
brightness=$(expr "${cur_brightness}" "${1}" "${fract}")
if [ "${brightness}" -gt "${max_brightness}" ]; then
cur_brightness=$(cat "${backlight_dir}"/brightness)
brightness=$(expr "${cur_brightness}" "${1}" "${fract}")
if [ "${brightness}" -gt "${max_brightness}" ]; then
@@
-26,6
+26,7
@@
percentage=${1}
if [ "${percentage}" = '100' ]; then
sudo sh -c 'echo '"${max_brightness}"' > '"${target}"
else
if [ "${percentage}" = '100' ]; then
sudo sh -c 'echo '"${max_brightness}"' > '"${target}"
else
+ fract=$(expr "${max_brightness}" / 100)
brightness=$(expr "${percentage}" \* "${fract}")
sudo sh -c 'echo '"${brightness}"' > '"${target}"
fi
brightness=$(expr "${percentage}" \* "${fract}")
sudo sh -c 'echo '"${brightness}"' > '"${target}"
fi