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Date:	Tue, 14 Nov 2006 18:25:34 +0100
From:	Julien BLACHE <jb@...ache.org>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	dmitry.torokhov@...il.com, stelian@...ies.net
Subject: [PATCH] appletouch: add Geyser IV support

Hi,

The new Core2 Duo MacBook Pro has a new keyboard+trackpad named
"Geyser IV".

According to the Info.plist in the OS X kext, it looks like the Geyser
IV trackpad is identical to the Geyser III trackpad: same IOClass
(AppleUSBGrIIITrackpad), same acceleration tables.

Signed-off-by: Julien BLACHE <jb@...ache.org>


--- appletouch.c.orig	2006-11-14 18:19:07.319174145 +0100
+++ appletouch.c	2006-11-14 18:19:12.939494428 +0100
@@ -54,6 +54,14 @@
 #define GEYSER3_ISO_PRODUCT_ID		0x0218
 #define GEYSER3_JIS_PRODUCT_ID		0x0219
 
+/* 
+ * Geyser IV: same as Geyser III according to Info.plist in AppleUSBTrackpad.kext
+ * -> same IOClass (AppleUSBGrIIITrackpad), same acceleration tables
+ */
+#define GEYSER4_ANSI_PRODUCT_ID	0x021A
+#define GEYSER4_ISO_PRODUCT_ID	0x021B
+#define GEYSER4_JIS_PRODUCT_ID	0x021C
+
 #define ATP_DEVICE(prod)					\
 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |		\
 		       USB_DEVICE_ID_MATCH_INT_CLASS |		\
@@ -75,10 +83,16 @@
 	{ ATP_DEVICE(GEYSER_ISO_PRODUCT_ID) },
 	{ ATP_DEVICE(GEYSER_JIS_PRODUCT_ID) },
 
+	/* Core Duo MacBook & MacBook Pro */
 	{ ATP_DEVICE(GEYSER3_ANSI_PRODUCT_ID) },
 	{ ATP_DEVICE(GEYSER3_ISO_PRODUCT_ID) },
 	{ ATP_DEVICE(GEYSER3_JIS_PRODUCT_ID) },
 
+	/* Core2 Duo MacBook & MacBook Pro */
+	{ ATP_DEVICE(GEYSER4_ANSI_PRODUCT_ID) },
+	{ ATP_DEVICE(GEYSER4_ISO_PRODUCT_ID) },
+	{ ATP_DEVICE(GEYSER4_JIS_PRODUCT_ID) },
+
 	/* Terminating entry */
 	{ }
 };
@@ -115,7 +129,7 @@
  */
 #define ATP_THRESHOLD	 5
 
-/* MacBook Pro (Geyser 3) initialization constants */
+/* MacBook Pro (Geyser 3 & 4) initialization constants */
 #define ATP_GEYSER3_MODE_READ_REQUEST_ID 1
 #define ATP_GEYSER3_MODE_WRITE_REQUEST_ID 9
 #define ATP_GEYSER3_MODE_REQUEST_VALUE 0x300
@@ -181,7 +195,10 @@
 
 	return (productId == GEYSER3_ANSI_PRODUCT_ID) ||
 		(productId == GEYSER3_ISO_PRODUCT_ID) ||
-		(productId == GEYSER3_JIS_PRODUCT_ID);
+		(productId == GEYSER3_JIS_PRODUCT_ID) ||
+		(productId == GEYSER4_ANSI_PRODUCT_ID) ||
+		(productId == GEYSER4_ISO_PRODUCT_ID) ||
+		(productId == GEYSER4_JIS_PRODUCT_ID);
 }
 
 static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,


JB.

-- 
Julien BLACHE                                   <http://www.jblache.org> 
<jb@...ache.org>                                  GPG KeyID 0xF5D65169

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