Support for cinema hd display 30" pre aug 2006 with clamping

Credit to pudiva: warvariuc@c48ff0a

Author: mwohlert

acdcontrol.cpp

@@ -60,6 +60,7 @@ const int CINEMA_DISPLAY_20_NEW           = 0x9219;
 const int CINEMA_DISPLAY_24               = 0x921e;
 const int CINEMA_DISPLAY_27               = 0x9226;
 const int CINEMA_DISPLAY_27_2013          = 0x9227;
+const int CINEMA_DISPLAY_30_PRE_AUG_2006  = 0x9221;
 const int CINEMA_DISPLAY_30               = 0x9232;
 const int LED_CINEMA_DISPLAY_24           = 0x9236;
 
@@ -546,6 +547,8 @@ void init_device_database() {
                                      "Apple Cinema HD Display 27\"" ));
   supportedDevices.insert( DeviceId( APPLE, CINEMA_DISPLAY_27_2013,
                                      "Apple Cinema HD Display 27\"" ));
+  supportedDevices.insert( DeviceId( APPLE, CINEMA_DISPLAY_30_PRE_AUG_2006,
+                                     "Apple Cinema HD Display 30\"" ));
   supportedDevices.insert( DeviceId( APPLE, CINEMA_DISPLAY_30,
                                      "Apple Cinema HD Display 30\"" ));
 

acdcontrol.py

@@ -24,6 +24,7 @@
         (0x921e, 'Apple Cinema Display 24"', None),
         (0x9226, 'Apple Cinema HD Display 27"', None),
         (0x9227, 'Apple Cinema HD Display 27" 2013', None),
+        (0x9221, 'Apple Cinema HD Display 30"', (0, 255)),
         (0x9232, 'Apple Cinema HD Display 30"', None),
         (0x9236, 'Apple LED Cinema Display 24"', (0, 255)),
     ),