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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,6 +1,13 @@ # Original reference https://yulistic.gitlab.io/2017/12/linux-keymapping-with-udev-hwdb/ systemd --version | head -n1 | awk '{print $2}' # note systemd versions below 220 need # keyboard:usb:v*p* # 220 and above # evdev:name:<name>:* cat /proc/bus/input/devices cat /proc/bus/input/devices | grep -B1 keyboard | head -n1 -
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -32,8 +32,6 @@ B: LED=7 sudo evtest /dev/input/event2 evdev:input:b<bus_id>v<vendor_id>p<product_id>e<version_id>-<modalias> // Built in keyboard @@ -42,9 +40,9 @@ I: Bus=0011 Vendor=0001 Product=0001 Version=ab83 I: Bus=0003 Vendor=04d9 Product=a131 Version=0111 sudo vim /etc/udev/hwdb.d/99-keyboard.hwdb ------------------------- // GUI mode // Chromebook evdev:input:b0011v0001p0001* @@ -59,7 +57,7 @@ evdev:name:HOLTEK USB-HID Keyboard:* KEYBOARD_KEY_700e2=leftctrl ----------------------------------- // Remote macOS mode // Chromebook evdev:input:b0011v0001p0001* @@ -75,7 +73,7 @@ evdev:name:HOLTEK USB-HID Keyboard:* ----------------------------------- // Normal Mode // Chromebook evdev:input:b0011v0001p0001* @@ -89,12 +87,12 @@ evdev:name:HOLTEK USB-HID Keyboard:* KEYBOARD_KEY_700e3=leftmeta KEYBOARD_KEY_700e2=leftalt ----------------------------- sudo systemd-hwdb update sudo udevadm trigger ----------------------- KEYBOARD_KEY_<scan_code>=<key_code> Event code 29 (KEY_LEFTCTRL) -
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,106 @@ # Original reference https://yulistic.gitlab.io/2017/12/linux-keymapping-with-udev-hwdb/ cat /proc/bus/input/devices cat /proc/bus/input/devices | grep -B1 keyboard | head -n1 cat /proc/bus/input/devices | grep -B1 keyboard | head -n1 | cut -c 8- | perl -p -e 's/(.\w+\=)/,/g' // Grab all before match for multiple keyboards cat /proc/bus/input/devices | awk '/eyboard/{for(i=2;i<=x;)print a[i++]}{for(i=1;i<x;i++)a[i]=a[i+1];a[x]=$0;}' x=2 | head -n2 // Grab all after match for multiple keyboards cat /proc/bus/input/devices | awk '/eyboard/{nr[NR+4]}; NR in nr' | awk -F"event" '/event/{print $2}' | head -n2 awk '/eyboard/{for(i=1;i<=x;)print a[i++];print}{for(i=1;i<x;i++)a[i]=a[i+1];a[x]=$0;}' cat /proc/bus/input/devices | awk '/eyboard/{for(i=2;i<=x;)print a[i++];print}{for(i=1;i<x;i++)a[i]=a[i+1];a[x]=$0;}' x=2 cat /proc/bus/input/devices | awk '/eyboard/{for(i=2;i<=x;)if(i % 2 == 0){print a[i++];print}}{for(i=1;i<x;i++)a[i]=a[i+1];a[x]=$0;}' x=2 cat /proc/bus/input/devices | grep -A2 keyboard | tail -n1 | awk '{print substr($0,length($0),1)}' I: Bus=0011 Vendor=0001 Product=0001 Version=ab83 N: Name="AT Translated Set 2 keyboard" P: Phys=isa0060/serio0/input0 S: Sysfs=/devices/platform/i8042/serio0/input/input2 U: Uniq= H: Handlers=sysrq kbd leds event2 B: PROP=0 B: EV=120013 B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe B: MSC=10 B: LED=7 sudo evtest /dev/input/event2 sudo vim /etc/udev/hwdb.d/99-keyboard.hwdb evdev:input:b<bus_id>v<vendor_id>p<product_id>e<version_id>-<modalias> // Built in keyboard I: Bus=0011 Vendor=0001 Product=0001 Version=ab83 // USB Keyboard - HOLTEK USB-HID Keyboard I: Bus=0003 Vendor=04d9 Product=a131 Version=0111 keyboard:usb:v*p* ------------------------- GUI mode // Chromebook evdev:input:b0011v0001p0001* KEYBOARD_KEY_1d=leftalt KEYBOARD_KEY_38=leftctrl KEYBOARD_KEY_db=leftmeta // USB keyboard evdev:name:HOLTEK USB-HID Keyboard:* KEYBOARD_KEY_700e0=leftmeta KEYBOARD_KEY_700e3=leftalt KEYBOARD_KEY_700e2=leftctrl ----------------------------------- Remote macOS mode // Chromebook evdev:input:b0011v0001p0001* KEYBOARD_KEY_1d=leftalt KEYBOARD_KEY_38=leftmeta KEYBOARD_KEY_db=leftctrl // USB keyboard evdev:name:HOLTEK USB-HID Keyboard:* KEYBOARD_KEY_700e0=leftctrl KEYBOARD_KEY_700e3=leftalt KEYBOARD_KEY_700e2=leftmeta ----------------------------------- Normal Mode // Chromebook evdev:input:b0011v0001p0001* KEYBOARD_KEY_1d=leftctrl KEYBOARD_KEY_38=leftalt KEYBOARD_KEY_db=leftmeta // USB keyboard evdev:name:HOLTEK USB-HID Keyboard:* KEYBOARD_KEY_700e0=leftctrl KEYBOARD_KEY_700e3=leftmeta KEYBOARD_KEY_700e2=leftalt sudo systemd-hwdb update sudo udevadm trigger KEYBOARD_KEY_<scan_code>=<key_code> Event code 29 (KEY_LEFTCTRL) Event code 56 (KEY_LEFTALT) Event code 97 (KEY_RIGHTCTRL) Event code 100 (KEY_RIGHTALT) Event code 125 (KEY_LEFTMETA) Event code 126 (KEY_RIGHTMETA) Event code 127 (KEY_COMPOSE)