Fix busy flag detection. Some Super-I/O chips (W83627THF) can't read

back from the address port, so the value 0xff is returned, causing
a false positive with the original test. Testing explicitly for 0x80
instead of only testing that bit 7 is set, works around it.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@4404 7894878c-1315-0410-8ee3-d5d059ff63e0

prog/dump/isadump.c

@@ -293,7 +293,7 @@ int main(int argc, char *argv[])
 				res = inb(addrreg + i + j);
 			} else {	
 				outb(i+j, addrreg);
-				if (i+j == 0 && (inb(addrreg) & 0x80)) {
+				if (i+j == 0 && inb(addrreg) == 0x80) {
 					/* Bit 7 appears to be a busy flag */
 					range = 128;
 				}