sensors-detect: Skip addresses 0x37 and 0x4f on DDC channels

We already skip EDID addresses (0x50-0x57) by default on graphics card
I2C/DDC buses. Also skip 0x37 (DDC/CI) and 0x4f which was recently
reported as corrupting a laptop's display when probed.

This closes ticket #2392.
http://www.lm-sensors.org/ticket/2392

CHANGES

@@ -38,6 +38,7 @@ SVN HEAD
                   Add detection of NCT7904D
                   Add detection of IT8790E
                   Fix graphics cards detection (#2386, #2392)
+                  Skip more addresses on graphics card I2C bus (#2392)
 
 3.3.5 "Happy Birthday Beddy" (2014-01-22)
   libsensors: Improve documentation of two functions

prog/detect/sensors-detect

@@ -3943,8 +3943,10 @@ sub scan_i2c_adapter
 		chomp($input);
 		@not_to_scan = parse_not_to_scan(0x03, 0x77, $input);
 	} elsif (($class & 0xff00) == 0x0300) {
-		# Skip EDID addresses by default on graphics adapters
-		@not_to_scan = parse_not_to_scan(0x03, 0x77, "0x50-0x57");
+		# Skip EDID and DDC/CI addresses by default on graphics
+		# adapters. Also skip address 0x4f which was reported in a
+		# display corruption case.
+		@not_to_scan = parse_not_to_scan(0x03, 0x77, "0x37, 0x50-0x57, 0x4f");
 	}
 
 	open(local *FILE, "$dev_i2c$adapter_nr") or