Update Sudden Motion Sensor notes for early 2015 Apple notebook computers.

third_party/sudden_motion_sensor/sudden_motion_sensor_mac.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file is based on the SMSLib library.
 //
 // SMSLib Sudden Motion Sensor Access Library
 // Copyright (c) 2010 Suitable Systems
 // All rights reserved.
 //
@@ skipping 116 matching lines @@
 
   // Tested by Adam Gerson (via avi) on a 13" MacBook.
   { "MacBook5,2",    NULL, { { 0, false }, { 2, true  }, { 4, true  } } },
 
   // Tested by tommyw on a 13" MacBook.
   { "MacBook6,1",    NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
   // Tested by avi on a 13" MacBook.
   { "MacBook7,1",    NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
+  // Note:
+  // - MacBook8,1 (12" MacBook, early 2015)
+  // has no accelerometer sensors.

[Robert Sesek, 2015/05/18 15:55:48]

Interesting.

+
   // Tested by crc on a 13" MacBook Air.
   { "MacBookAir1,1", NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
   // Tested by sfiera, pjw on a 13" MacBook Air.
   { "MacBookAir2,1", NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
   // Note:
   // - MacBookAir3,1 (11" MacBook Air, late 2010)
   // - MacBookAir3,2 (13" MacBook Air, late 2010)
   // - MacBookAir4,1 (11" MacBook Air, mid 2011)
   // - MacBookAir4,2 (13" MacBook Air, mid 2011)
   // - MacBookAir5,1 (11" MacBook Air, mid 2012)
   // - MacBookAir5,2 (13" MacBook Air, mid 2012)
   // - MacBookAir6,1 (11" MacBook Air, mid 2013)
   // - MacBookAir6,2 (13" MacBook Air, mid 2013)
+  // - MacBookAir7,1 (11" MacBook Air, early 2015)
+  // - MacBookAir7,2 (13" MacBook Air, early 2015)
   // have no accelerometer sensors.
 
   // Tested by crc on a 15" MacBook Pro.
   { "MacBookPro1,1", NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
   // Tested by Raul Cuza (via avi) on a 17" MacBook Pro.
   { "MacBookPro1,2", NULL, { { 0, true  }, { 2, true  }, { 4, false } } },
 
   // Tested by L.V. (via avi) on a 17" MacBook Pro.
   { "MacBookPro2,1", NULL, { { 0, true  }, { 2, false }, { 4, true  } } },
@@ skipping 55 matching lines @@
   // - MacBookPro10,1 (15" MacBook Pro with Retina display)
   // has no accelerometer sensors.
 
   // MacBookPro10,2 handled by the generic case below.
   // Tested by avi on a 13" MacBook Pro with Retina display.
 
   // Note:
   // - MacBookPro11,1 (13" MacBook Pro with Retina display)
   // - MacBookPro11,2 (15" MacBook Pro with Retina display)
   // - MacBookPro11,3 (15" MacBook Pro with Retina display)
+  // - MacBookPro12,1 (13" MacBook Pro with Retina display)
   // have no accelerometer sensors.
 
   // Generic MacBook accelerometer sensor data, to be used for future models
   // as well as models for which it is verified to be correct. Note that this
   // configuration may have problems with inverted axes when used generically
   // for untested models.
   { "",              NULL, { { 0, false }, { 2, false }, { 4, false } } }
 };
 
 // Create a SuddenMotionSensor object and return NULL if no valid sensor found.
@@ skipping 178 matching lines @@
     if (value & 0x00800000)
       return value | 0xff000000;
     break;
 
   default:
     LOG(FATAL) << "Invalid integer size for sign extension: " << size;
   }
 
   return value;
 }