From 0a345459825bc7edb1363d86d327c10528da9e29 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Fri, 17 Feb 2023 15:36:29 -0300
Subject: Remove all code referring to backlight tweaking

---
 bin/brightness      | 12 ------------
 etc/guix/system.scm | 11 -----------
 etc/sh/rc           |  1 -
 3 files changed, 24 deletions(-)
 delete mode 100755 bin/brightness

diff --git a/bin/brightness b/bin/brightness
deleted file mode 100755
index 10bd198..0000000
--- a/bin/brightness
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-set -eu
-
-BRIGHTNESS_DIFF="$1"
-
-HANDLER=/sys/class/backlight/"$BACKLIGHT_DEVICE"
-
-OLD_BRIGHTNESS="$(cat "$HANDLER"/brightness)"
-MAX_BRIGHTNESS="$(cat "$HANDLER"/max_brightness)"
-SUM=$((OLD_BRIGHTNESS + BRIGHTNESS_DIFF))
-NEW_BRIGHTNESS="$(clamp -- "$SUM" 0 "$MAX_BRIGHTNESS")"
-echo "$NEW_BRIGHTNESS" > "$HANDLER"/brightness || sudo chmod 666 "$HANDLER"/brightness
diff --git a/etc/guix/system.scm b/etc/guix/system.scm
index d3ae754..5840af7 100644
--- a/etc/guix/system.scm
+++ b/etc/guix/system.scm
@@ -491,17 +491,6 @@ Seiko Epson Color Ink Jet Printers.")
             ClientAliveCountMax 20
             MaxSessions 20
             "#)))
-      #;
-      (udev-rules-service
-        'backlight
-        (udev-rule
-         "backlight.rule"
-         (string-replace
-          #"-
-            ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="@DEVICE@", GROUP="video", MODE="0664"
-            "#
-          "@DEVICE@"
-          (getenv "BACKLIGHT_DEVICE"))))
       (set-xorg-configuration
         (xorg-configuration
           (keyboard-layout keyboard-layout)
diff --git a/etc/sh/rc b/etc/sh/rc
index 26c11ba..4e93a30 100644
--- a/etc/sh/rc
+++ b/etc/sh/rc
@@ -48,7 +48,6 @@ export VISUAL="$EDITOR"
 export PAGER='less -R'
 export BROWSER='firefox'
 export MAILDIR=~/Maildir
-export BACKLIGHT_DEVICE='acpi_video0'
 export TZ='America/Sao_Paulo'
 
 export GUILE_HISTORY="$XDG_STATE_HOME/guile-history"
-- 
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