LM64 support was just added to the lm63 driver.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5831 7894878c-1315-0410-8ee3-d5d059ff63e0

prog/detect/sensors-detect

@@ -974,7 +974,7 @@ use vars qw(@i2c_adapter_names);
 		i2c_detect => sub { lm63_detect(@_, 1); },
 	}, {
 		name => "National Semiconductor LM64",
-		driver => "to-be-written", # lm63
+		driver => "lm63",
 		i2c_addrs => [0x18, 0x4e],
 		i2c_detect => sub { lm63_detect(@_, 3); },
 	}, {