svn commit: r261343 - head/sys/dev/usb/input

[Hans Petter Selasky]

Author: hselasky
Date: Sat Feb  1 06:58:16 2014
New Revision: 261343
URL: http://svnweb.freebsd.org/changeset/base/261343

Log:
  Add a comment about the origin of some structures, defines and so on.
  
  MFC after:	1 week

Modified:
  head/sys/dev/usb/input/wsp.c

Modified: head/sys/dev/usb/input/wsp.c
==============================================================================
--- head/sys/dev/usb/input/wsp.c	Sat Feb  1 02:03:50 2014	(r261342)
+++ head/sys/dev/usb/input/wsp.c	Sat Feb  1 06:58:16 2014	(r261343)
@@ -123,6 +123,25 @@ SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_ho
 
 #define	WSP_IFACE_INDEX	1
 
+/*
+ * Some tables, structures, definitions and initialisation values for
+ * the touchpad protocol has been copied from Linux's
+ * "drivers/input/mouse/bcm5974.c" which has the following copyright
+ * holders under GPLv2. All device specific code in this driver has
+ * been written from scratch. The decoding algorithm is based on
+ * output from usbdump.
+ *
+ * Copyright (C) 2008      Henrik Rydberg (rydberg at euromail.se)
+ * Copyright (C) 2008      Scott Shawcroft (scott.shawcroft at gmail.com)
+ * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg at kroah.com)
+ * Copyright (C) 2005      Johannes Berg (johannes at sipsolutions.net)
+ * Copyright (C) 2005      Stelian Pop (stelian at popies.net)
+ * Copyright (C) 2005      Frank Arnold (frank at scirocco-5v-turbo.de)
+ * Copyright (C) 2005      Peter Osterlund (petero2 at telia.com)
+ * Copyright (C) 2005      Michael Hanselmann (linux-kernel at hansmi.ch)
+ * Copyright (C) 2006      Nicolas Boichat (nicolas at boichat.ch)
+ */
+
 /* button data structure */
 struct bt_data {
 	uint8_t	unknown1;		/* constant */