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From: Pieter-Augustijn Van Malleghem <p-a@scarlet.be>
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Newsgroups: gmane.linux.kernel.input
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Subject: [PATCH] Add MacBookAir4,1 trackpad support
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Date: Wed, 7 Sep 2011 16:16:39 -0400
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Xref: news.gmane.org gmane.linux.kernel.input:21463
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Archived-At: <http://permalink.gmane.org/gmane.linux.kernel.input/21463>
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This patch adds trackpad support for the MacBookAir4,1, released in July 2011.
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It is very similar to the MacBookAir4,2 patch submitted by Joshua Dillon and
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Chase Douglas.
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Signed-off-by: Pieter-Augustijn Van Malleghem <p-a@scarlet.be>
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--- linux/drivers/input/mouse/bcm5974.c	2011-09-06 23:41:58.000000000 -0400
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+++ patched/drivers/input/mouse/bcm5974.c	2011-09-07 00:02:44.000000000 -0400
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@@ -67,6 +67,10 @@
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 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI	0x0245
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 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO	0x0246
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 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS	0x0247
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+/* MacbookAir4,1 (unibody, July 2011) */
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+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI	0x0249
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+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO	0x024a
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+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS	0x024b
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 /* MacbookAir4,2 (unibody, July 2011) */
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 #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI	0x024c
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 #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO	0x024d
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@@ -112,6 +116,10 @@
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 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
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 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
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 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
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+	/* MacbookAir4,1 */
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+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI),
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+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO),
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+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS),
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 	/* MacbookAir4,2 */
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 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
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 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
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@@ -334,6 +342,18 @@
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 		{ DIM_X, DIM_X / SN_COORD, -4750, 5280 },
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 		{ DIM_Y, DIM_Y / SN_COORD, -150, 6730 }
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 	},
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+	{
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+		USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI,
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+		USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO,
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+		USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS,
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+		HAS_INTEGRATED_BUTTON,
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+		0x84, sizeof(struct bt_data),
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+		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
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+		{ DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
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+		{ DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
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+		{ DIM_X, DIM_X / SN_COORD, -4620, 5140 },
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+		{ DIM_Y, DIM_Y / SN_COORD, -150, 6600 }
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+	},
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 	{}
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 };
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