Always set the SMBAUXCTL register (which enables/disables PEC)

explicitly before each transaction. Backport from Linux 2.6, original
patch from Mark M. Hoffman.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3221 7894878c-1315-0410-8ee3-d5d059ff63e0

kernel/busses/i2c-i801.c

@@ -528,8 +528,7 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
 		return -1;
 	}
 
-	if (hwpec)
-		outb_p(1, SMBAUXCTL);	/* enable hardware PEC */
+	outb_p(hwpec, SMBAUXCTL);	/* enable/disable hardware PEC */
 
 	if(block)
 		ret = i801_block_transaction(data, read_write, size, hwpec);
@@ -538,9 +537,6 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
 		ret = i801_transaction();
 	}
 
-	if (hwpec)
-		outb_p(0, SMBAUXCTL);	/* disable hardware PEC */
-
 	if(block)
 		return ret;
 	if(ret)