pwmconfig: Better diagnostics in pwmdisable.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5023 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -2,6 +2,7 @@ lm-sensors CHANGES file
 -----------------------
 
 SVN HEAD
+  pwmconfig: Better diagnostics in pwmdisable
   sensors-detect: Add Texas Instruments TMP401 detection
                   Mention the f75375s driver
                   Add SMSC LPC47B367-NC detection (no sensors)

prog/pwm/pwmconfig

@@ -132,15 +132,21 @@ function pwmdisable()
 
 		# It didn't work, try pwmN_enable=1 pwmN=255
 		echo 1 > $ENABLE 2> /dev/null
+		if [ "`cat $ENABLE`" -ne 1 ]
+		then
+			echo "$ENABLE stuck to `cat $ENABLE`" >&2
+			return 1
+		fi
+
 		echo $MAX > $1
-		if [ "`cat $ENABLE`" -eq 1 -a "`cat $1`" -ge 190 ]
+		if [ "`cat $1`" -ge 190 ]
 		then
 			# Success
 			return 0
 		fi
 
 		# Nothing worked
-		echo "$ENABLE stuck to `cat $ENABLE`" >&2
+		echo "$1 stuck to `cat $1`" >&2
 		return 1
 	else
 		echo $MAX 0 > $1