Created
May 10, 2023 09:11
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Asus Zenbook Duo screenpad brightness control on linux
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| # /etc/acpi/events/asus-keyboard-backlight-up | |
| # This is called when the user presses the key brightness | |
| # up button and calls /etc/acpi/asus-keyboard-backlight.sh for | |
| # further processing. | |
| # sudo ln -s /path/to/file /etc/acpi/events/asus-brightness-down | |
| event=video/brightnessdown BRTDN 00000087 00000000 | |
| action=/etc/acpi/asus-brightness.sh |
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| # /etc/acpi/events/asus-keyboard-backlight-up | |
| # This is called when the user presses the key brightness | |
| # up button and calls /etc/acpi/asus-keyboard-backlight.sh for | |
| # further processing. | |
| # sudo ln -s /path/to/file /etc/acpi/events/asus-brightness-up | |
| event=video/brightnessup BRTUP 00000086 00000000 | |
| action=/etc/acpi/asus-brightness.sh |
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| #!/bin/bash | |
| DEC_BRIGHTNESS=$(cat /sys/class/backlight/intel_backlight/brightness) | |
| DEC_BRIGHTNESS=$(echo "$DEC_BRIGHTNESS * 0.64" | bc) | |
| DEC_BRIGHTNESS=$(echo "${DEC_BRIGHTNESS%.*}") | |
| HEX_BRIGHTNESS=$(printf '%02x' $DEC_BRIGHTNESS) | |
| echo $HEX_BRIGHTNESS > /home/MYUSER/temp.log | |
| if [ $(cat /home/MYUSER/zbpd14/dual) -eq 1 ] | |
| then | |
| if [ $DEC_BRIGHTNESS -eq 256 ] | |
| then | |
| echo "MAX BRIGHTNESS $DEC_BRIGHTNESS" | |
| echo "\_SB.ATKD.WMNB 0x0 0x53564544 b32000500FF000000" | sudo tee /proc/acpi/call | |
| else | |
| echo "NOT MAX BRIGHTNESS $DEC_BRIGHTNESS" | |
| echo "\_SB.ATKD.WMNB 0x0 0x53564544 b32000500${HEX_BRIGHTNESS}000000" | sudo tee /proc/acpi/call | |
| fi | |
| fi | |
| # sudo ln -s /path/to/file /etc/acpi/asus-brightness.sh |
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Modified version of: https://github.com/njm2015/zbpd14 thanks to @njm2015