From 81f81f39e1cf4f38c431b9af6626c609debaaebe Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 24 Nov 2008 17:05:33 +0000
Subject: [PATCH] Complete GL520SM detection.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5424 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 prog/detect/sensors-detect | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 5305788b..416560c3 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -4386,9 +4386,9 @@ sub gl520sm_detect
   my ($file, $addr) = @_;
   return unless i2c_smbus_read_byte_data($file, 0x00) == 0x20;
   return unless (i2c_smbus_read_byte_data($file, 0x03) & 0x80) == 0x00;
-  # The line below must be better checked before I dare to use it.
-  # return unless i2c_smbus_read_byte_data($file, 0x01) == 0x00;
-  return (5);
+  $reg = i2c_smbus_read_byte_data($file, 0x01);
+  return unless $reg == 0x00 or $reg == 0x80;
+  return (6);
 }
 
 # Registers used: