From fe6a2f45f0ff01e47edba9439b488a6f09dbd428 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hugo@hugovil.com>
Date: Fri, 5 Aug 2016 20:28:32 -0400
Subject: [PATCH] Add missing ACPI volume and brightness scripts

---
 stage2/misc/acpi/brightness.sh        | 35 +++++++++++++++++++++++++++
 stage2/misc/acpi/events/brightness-dn |  2 ++
 stage2/misc/acpi/events/brightness-up |  2 ++
 stage2/misc/acpi/vol.sh               | 12 +++++++++
 stage2/pkg/acpid                      |  3 +--
 5 files changed, 52 insertions(+), 2 deletions(-)
 create mode 100755 stage2/misc/acpi/brightness.sh
 create mode 100644 stage2/misc/acpi/events/brightness-dn
 create mode 100644 stage2/misc/acpi/events/brightness-up
 create mode 100755 stage2/misc/acpi/vol.sh

diff --git a/stage2/misc/acpi/brightness.sh b/stage2/misc/acpi/brightness.sh
new file mode 100755
index 0000000..5e884dc
--- /dev/null
+++ b/stage2/misc/acpi/brightness.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+basedir=/sys/class/backlight
+
+# In percent
+min=10
+step=10
+
+dir=$(find ${basedir} -type l)
+
+read max_raw < ${dir}/max_brightness
+read cur_raw < ${dir}/brightness
+
+min_raw=$(echo "scale=0; (${min} * ${max_raw}) / 100" | bc)
+step_raw=$(echo "scale=0; (${step} * ${max_raw}) / 100" | bc)
+
+case $1 in
+    -)
+        new=`expr ${cur_raw} - ${step_raw}`
+        if [ ${new} -le ${min_raw} ]; then
+            new=${min_raw}
+        fi
+        ;;
+    +)
+        new=`expr ${cur_raw} + ${step_raw}`
+        if [ ${new} -ge ${max_raw} ]; then
+            new=${max_raw}
+        fi
+        ;;
+    *)
+        exit 1
+        ;;
+esac
+
+echo ${new} > ${dir}/brightness
diff --git a/stage2/misc/acpi/events/brightness-dn b/stage2/misc/acpi/events/brightness-dn
new file mode 100644
index 0000000..e2a5d09
--- /dev/null
+++ b/stage2/misc/acpi/events/brightness-dn
@@ -0,0 +1,2 @@
+event=video/brightnessdown
+action=/etc/acpi/brightness.sh -
diff --git a/stage2/misc/acpi/events/brightness-up b/stage2/misc/acpi/events/brightness-up
new file mode 100644
index 0000000..e2c049e
--- /dev/null
+++ b/stage2/misc/acpi/events/brightness-up
@@ -0,0 +1,2 @@
+event=video/brightnessup
+action=/etc/acpi/brightness.sh +
diff --git a/stage2/misc/acpi/vol.sh b/stage2/misc/acpi/vol.sh
new file mode 100755
index 0000000..caf4972
--- /dev/null
+++ b/stage2/misc/acpi/vol.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+step=5
+
+case $1 in
+    -)
+        amixer set Master $step-
+        ;;
+    +)
+        amixer set Master $step+
+        ;;
+esac
diff --git a/stage2/pkg/acpid b/stage2/pkg/acpid
index f9156b9..50684d7 100644
--- a/stage2/pkg/acpid
+++ b/stage2/pkg/acpid
@@ -6,8 +6,7 @@ hvbuild_post()
 
     install -v -m644 ${SCRDIR}/misc/acpi/events/* /etc/acpi/events
 
-    install -v -m755 ${SCRDIR}/misc/acpi/suspend2ram.sh /etc/acpi
-    install -v -m755 ${SCRDIR}/misc/acpi/shutdown.sh    /etc/acpi
+    install -v -m755 ${SCRDIR}/misc/acpi/*.sh /etc/acpi
 
     install -v -m740 ${SCRDIR}/bootscripts/acpid /etc/rc.d/init.d
     bootscript_add_rcsysinit acpid 65 90
-- 
2.20.1