[rmessiant] 50105: [I8042PRT] - Calculate packet type according to PS/2++ spec (CID 1810). - Fix technical detail in comment to match spec.

Author: rmessiant
Date: Wed Dec 22 19:09:25 2010
New Revision: 50105

URL: http://svn.reactos.org/svn/reactos?rev=50105&view=rev
Log:
[I8042PRT]
- Calculate packet type according to PS/2++ spec (CID 1810).
- Fix technical detail in comment to match spec.

Modified:
    trunk/reactos/drivers/input/i8042prt/ps2pp.c

Modified: trunk/reactos/drivers/input/i8042prt/ps2pp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/input/i8042prt/ps2p...
==============================================================================
--- trunk/reactos/drivers/input/i8042prt/ps2pp.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/input/i8042prt/ps2pp.c [iso-8859-1] Wed Dec 22 19:09:25 2010
@@ -31,7 +31,7 @@
     * a normal packet.
     *
     * Otherwise, the packet is different, like this:
-	 * 1: E  1 b3 b2  x  x  x  x
+	 * 1: E  1 b3 b2  1  x  x  x
     * 2: x  x b1 b0 x1 x0  1  0
     * 3: x  x  x  x  x  x x1 x0
     *
@@ -93,8 +93,8 @@
    			}

/* Now get the packet type */
-			PktType = ((DeviceExtension->MouseLogiBuffer[0] & 0x30) >> 4) &
-			          ((DeviceExtension->MouseLogiBuffer[1] & 0x30) >> 6);
+			PktType = ((DeviceExtension->MouseLogiBuffer[0] & 0x30) >> 2) |
+			          ((DeviceExtension->MouseLogiBuffer[1] & 0x30) >> 4);

switch (PktType)
    		{