From 49b6ae283de52f66720d4e0db7faf6baf0c1c45d Mon Sep 17 00:00:00 2001
From: Aleksandr Mezin <mezin.alexander@gmail.com>
Date: Fri, 18 Jun 2021 11:52:19 +0600
Subject: [PATCH] pwmconfig, fancontrol: Allow read-only pwm*_enable

Don't fail if pwm*_enable is read-only, but already set to 1.
---
 prog/pwm/fancontrol |  4 ++--
 prog/pwm/pwmconfig  | 10 ++++------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/prog/pwm/fancontrol b/prog/pwm/fancontrol
index 886a7367..89c66687 100755
--- a/prog/pwm/fancontrol
+++ b/prog/pwm/fancontrol
@@ -489,8 +489,8 @@ function pwmenable()
 			PWM_ORIG_STATE[${1}]=$PWM_ORIG
 		fi
 		# enable manual control by fancontrol
-		echo 1 > $ENABLE 2> /dev/null
-		if [ $? -ne 0 ]
+		(echo 1 > $ENABLE) 2> /dev/null
+		if [ "$(cat $ENABLE)" -ne 1 ]
 		then
 			return 1
 		fi
diff --git a/prog/pwm/pwmconfig b/prog/pwm/pwmconfig
index edcbde9e..cc1139f9 100755
--- a/prog/pwm/pwmconfig
+++ b/prog/pwm/pwmconfig
@@ -214,14 +214,12 @@ function pwmenable()
 {
 	local ENABLE=${1}_enable
 
-	if [ -w $ENABLE ]
+	(echo 1 > $ENABLE) 2>/dev/null
+	if [ "$(cat $ENABLE)" -ne 1 ]
 	then
-		echo 1 2>/dev/null > $ENABLE
-		if [ $? -ne 0 ]
-		then
-			return 1
-		fi
+		return 1
 	fi
+
 	echo $MAX > $1
 }