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| This article explains how to make your laptop go to Suspend when closing the LID.
| | #REDIRECT [[Power management]] |
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| == acpid2 ==
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| [https://sourceforge.net/projects/acpid2/ acpid2] (provided by package {{pkg|acpid}}) is a flexible and extensible daemon with Netlink support for delivering ACPI events.
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| The [https://gitlab.alpinelinux.org/alpine/aports/-/blob/master/main/acpid/handler.sh default handler script] ({{path|/etc/acpi/handler.sh}}) installed with the package provides support for suspend on LID close out of the box.
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| We recommend installing {{pkg|zzz}} along with {{pkg|acpid}} to get support for pre/post suspend hooks etc.
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| # Install {{pkg|acpid}} and {{pkg|zzz}}: {{cmd|# apk add acpid zzz}}
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| # Enable and start the acpid daemon: {{cmd|# rc-update add acpid && rc-service acpid start}}
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| == Busybox acpid ==
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| This can be done via [[Busybox acpid]] with a hook in {{path|/etc/acpi/LID/00000080}}:
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| # '''with zzz:'''{{cmd|# apk add zzz}} {{cat|/etc/acpi/LID/00000080|#!/bin/sh
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| exec zzz
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| }}
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| # '''or with pm-utils:''' {{cmd|# apk add pm-utils}} {{cat|/etc/acpi/LID/00000080|#!/bin/sh
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| exec pm-suspend
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| }}
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| # '''or with raw variant''': {{cat|/etc/acpi/LID/00000080|#!/bin/sh
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| echo mem > /sys/power/state
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| }}
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| Make the hook executable:
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| {{cmd|# chmod +x /etc/acpi/LID/00000080}}
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| That should be it. To make sure that the acpid daemon is running, execute:
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| {{cmd|# rc-service acpid start}}
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| == elogind ==
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| Use elogind to trigger suspend and use doas to grant normal user such permissions.
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| Install elogind:
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| apk add elogind
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| rc-update add elogind
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| rc-service elogind start
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| Now suspend on lid close should be working as expected.
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| For normal user to trigger suspend, install doas:
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| apk add doas
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| Configure doas in <code>/etc/doas.conf</code>:
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| permit nopass $USER as root cmd /bin/loginctl
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| You should now be able to suspend the computer as a normal user, using the full path to executable.
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| = See Also =
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| * [https://github.com/jirutka/zzz zzz]
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| * [https://unix.stackexchange.com/questions/484550/pm-suspend-vs-systemctl-suspend pm-suspend vs systemd...]
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| * [https://wiki.archlinux.org/index.php?title=Pm-utils&oldid=498864 Archwiki pm-utils (archived page)]
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| [[Category:Power Management]]
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| [[category: Desktop]]
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