From a88afaaab3e6c39a2e913bdeb728d3c6015b4440 Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Sun, 9 Jul 2023 22:09:27 +0800
Subject: [PATCH] feat: adjsut brightness(x11)

---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index 6c4d3a21..369650bf 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,11 @@ gc:
 	# garbage collect all unused nix store entries
 	sudo nix store gc --debug
 
+# adjust brightness(x11)
+# usage: make bright b=0.9
+bright:
+	xrandr --output DP-2 --brightness $(b)
+
 ############################################################################
 #
 #  Darwin related commands, harmonica is my macbook pro's hostname