From 047eccda8160cfbdddb231e388ec0e47432065ec Mon Sep 17 00:00:00 2001
From: Mykyta Holubakha <hilobakho@gmail.com>
Date: Fri, 2 Aug 2019 15:18:04 +0300
Subject: Documented new changes

Rewritten some contributed code
---
 brightnessctl.1 | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'brightnessctl.1')

diff --git a/brightnessctl.1 b/brightnessctl.1
index fa798c7..83faf8d 100644
--- a/brightnessctl.1
+++ b/brightnessctl.1
@@ -48,6 +48,16 @@ Produce machine\-readable output.
 Set minimum brightness when using delta values, defaults to 1.
 .RE
 
+.sp
+\fB\-e, \-\-exponent\fP=\fIK\fP
+.RS 4
+Changes percentage scaling curve to exponential (linear by default). Default exponent is 4.
+
+Percentage equation: % = \fI[VALUE]\fR^\fI[K]\fR * \fI[MAX]\fR * 100^-\fI[K]\fR.
+
+The exponential curve may make the adjustments perceptually equal.
+.RE
+
 .sp
 \fB\-s, \-\-save\fP
 .RS 4
-- 
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