From 1bd54ee516b3d318eab9c7741bfccd091946350b Mon Sep 17 00:00:00 2001
From: Alan Orth <alan.orth@gmail.com>
Date: Wed, 18 Mar 2020 18:20:35 +0200
Subject: [PATCH] sway/config: set brightness logarithmically by factor 1.4

See: https://www.reddit.com/r/swaywm/comments/fk08lu/nicer_brightness_control/
---
 sway/config | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sway/config b/sway/config
index 0a308c5..ed869ee 100644
--- a/sway/config
+++ b/sway/config
@@ -155,8 +155,8 @@ input type:keyboard {
     bindsym XF86AudioLowerVolume exec pamixer -ud 5 && pamixer --get-volume > $SWAYSOCK.wob
     bindsym XF86AudioMute pamixer --toggle-mute && ( pamixer --get-mute && echo 0 > $SWAYSOCK.wob ) || pamixer --get-volume > $SWAYSOCK.wob
     bindsym XF86AudioMicMute exec pactl set-source-mute @DEFAULT_SOURCE@ toggle
-    bindsym XF86MonBrightnessUp exec light -A 5 && light -G | cut -d'.' -f1 > $SWAYSOCK.wob
-    bindsym XF86MonBrightnessDown exec light -U 5 && light -G | cut -d'.' -f1 > $SWAYSOCK.wob
+    bindsym XF86MonBrightnessUp exec light -S "$(light -G | awk '{ print int(($1 + .72) * 1.4) }')" && light -G | cut -d'.' -f1 > $SWAYSOCK.wob
+    bindsym XF86MonBrightnessDown exec light -S "$(light -G | awk '{ print int($1 / 1.4) }')" && light -G | cut -d'.' -f1 > $SWAYSOCK.wob
 
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