From 3f7c1b0c7c41b9411ba2fa3d21b3325f034ffe1e Mon Sep 17 00:00:00 2001
From: Luc Bijl <luc@bijl.us>
Date: Sun, 17 Aug 2025 13:37:46 +0200
Subject: [PATCH] etc/acpi: add

---
 etc/acpi/actions/brightnessdsp.sh | 8 ++++++++
 etc/acpi/actions/powerbtn.sh      | 9 +++++++++
 etc/acpi/events/brightnessdown    | 2 ++
 etc/acpi/events/brightnessup      | 2 ++
 etc/acpi/events/powerbtn          | 2 ++
 5 files changed, 23 insertions(+)
 create mode 100755 etc/acpi/actions/brightnessdsp.sh
 create mode 100755 etc/acpi/actions/powerbtn.sh
 create mode 100644 etc/acpi/events/brightnessdown
 create mode 100644 etc/acpi/events/brightnessup
 create mode 100644 etc/acpi/events/powerbtn

diff --git a/etc/acpi/actions/brightnessdsp.sh b/etc/acpi/actions/brightnessdsp.sh
new file mode 100755
index 0000000..8ff607f
--- /dev/null
+++ b/etc/acpi/actions/brightnessdsp.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+for backlight in /sys/class/backlight/*; do
+	[ -d $backlight ] || continue
+	step=$(( $(cat "$backlight/max_brightness") / 20))
+	[ $step -gt 1 ] || step=1
+	printf '%s' "$(( $(cat "$backlight/brightness") $1 $step))" > "$backlight/brightness"
+done
diff --git a/etc/acpi/actions/powerbtn.sh b/etc/acpi/actions/powerbtn.sh
new file mode 100755
index 0000000..0edf1d9
--- /dev/null
+++ b/etc/acpi/actions/powerbtn.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+CURRENT_INIT=`ps -p 1 -o comm=`
+if [ "$CURRENT_INIT" = "openrc-init" ]
+then
+	/sbin/openrc-shutdown -p now
+else
+	/sbin/shutdown -h now "Power button pressed"
+fi
diff --git a/etc/acpi/events/brightnessdown b/etc/acpi/events/brightnessdown
new file mode 100644
index 0000000..26612c8
--- /dev/null
+++ b/etc/acpi/events/brightnessdown
@@ -0,0 +1,2 @@
+event=video[ /]brightnessdown
+action=/etc/acpi/actions/brightnessdsp.sh -
diff --git a/etc/acpi/events/brightnessup b/etc/acpi/events/brightnessup
new file mode 100644
index 0000000..d45fdb6
--- /dev/null
+++ b/etc/acpi/events/brightnessup
@@ -0,0 +1,2 @@
+event=video[ /]brightnessup
+action=/etc/acpi/actions/brightnessdsp.sh +
diff --git a/etc/acpi/events/powerbtn b/etc/acpi/events/powerbtn
new file mode 100644
index 0000000..64b04a4
--- /dev/null
+++ b/etc/acpi/events/powerbtn
@@ -0,0 +1,2 @@
+event=button[ /]power
+action=/etc/acpi/actions/powerbtn.sh %e