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New package: auto lock the attached keyboard when flipped behind tablet #565

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New package: auto lock the attached keyboard when flipped behind tablet #565

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6203155
pkg: pine64: acpi-kbd-autolock-pinetab2: create script 0.1
ScottFreeCode Jul 15, 2023
7a8f773
pkg: pine64: acpi-kbd-autolock-pinetab2: Fix post-install
ScottFreeCode Jul 17, 2023
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24 changes: 24 additions & 0 deletions PKGBUILDS/pine64/acpi-kbd-autolock-pinetab2/PKGBUILD
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# Maintainer: ScottFreeCode <[email protected]>
pkgname=acpi-kbd-autolock-pinetab2
pkgver=0.1.0
pkgrel=1
pkgdesc="Automatically turn off the hardware/case keyboard when it is flipped shut (or behind the tablet), for the PineTab 2"
arch=(any)
url="https://github.com/dreemurrs-embedded/Pine64-Arch"
license=('BSD')
depends=('acpid')
source=(lid toggle-keyboard.sh)

package() {
install -D -m644 "$srcdir"/lid \
"$pkgdir"/etc/acpi/events/lid
install -D -m755 "$srcdir"/toggle-keyboard.sh \
"$pkgdir"/etc/acpi/toggle-keyboard.sh
}

post_install() {
systemctl enable --now acpid
}
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md5sums=('fdac6076a6c9cf9e3fad89302fc06cf9'
'c8862783b76c9addf604ba095c9814b4')
2 changes: 2 additions & 0 deletions PKGBUILDS/pine64/acpi-kbd-autolock-pinetab2/lid
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event=button/lid
action=/etc/acpi/toggle-keyboard.sh %e
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Would it be possible to use logind for this? iirc it has an option to handle lid switch events, and that way you don't need to add an extra dependency.

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@ScottFreeCode ScottFreeCode Jul 16, 2023 •
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I'll have to dig up my research, but from what I read the systemd login interface only lets you choose from a predefined list of behaviors – screen off, suspend, shutdown, etc. – and there's theoretically a way to redefine those behaviors (suspend.target, etc.) but I didn't really think that was appropriate (anything more than screen off, e.g. suspend, should prevent keyboard usage anyway; and more importantly people's screens might be configured to turn off via other conditions as well), plus I didn't see an event that can turn the keyboard back on. As far as I was able to find out, ACPI is intended to be the lower level interface for more control of customization like this.

20 changes: 20 additions & 0 deletions PKGBUILDS/pine64/acpi-kbd-autolock-pinetab2/toggle-keyboard.sh
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#!/bin/sh

ACTION=bind
MESSAGE=on
if [[ "$3" = "close" ]]
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If we had a command (let's just call it lid-closed for example) that detected whether the keyboard's current state is flipped shut, then we could call this script on boot with the following modification:

Suggested change
if [[ "$3" = "close" ]]
if [[ "$3" = "close" ]] || lid-closed

then
ACTION=unbind
MESSAGE=off
fi

KEYBOARD=4-1
#KEYBOARD=`grep -r --include=uevent Touchpad /sys/devices/ | cut -d/ -f7 | grep -v : | sort | uniq`

echo "$KEYBOARD" > /sys/bus/usb/drivers/usb/"$ACTION"

for user in `who | cut -f1 -d\ | sort | uniq`
do
sudo -u "$user" DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/"`id -u $user`"/bus \
notify-send -a 'PineTab2 case' "Keyboard turned $MESSAGE."
done