linux-kernel - [PATCH v2 7/9] HID: multitouch: fix protocol for Cando 2087:0a02

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Date:	Thu, 31 Jan 2013 17:22:29 +0100
From:	Benjamin Tissoires <benjamin.tissoires@...il.com>
To:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	Jiri Kosina <jkosina@...e.cz>,
	Stephane Chatty <chatty@...c.fr>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 7/9] HID: multitouch: fix protocol for Cando 2087:0a02

Cando 2087:0a02 was broken, this fixes it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...il.com>
---
 drivers/hid/hid-multitouch.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 71daf57..f106e90 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -115,6 +115,7 @@ struct mt_device {
 #define MT_CLS_DUAL_NSMU_CONTACTID		0x0008
 #define MT_CLS_INRANGE_CONTACTNUMBER		0x0009
 #define MT_CLS_ALWAYS_TRUE			0x000a
+#define MT_CLS_DUAL_CONTACT_NUMBER		0x0010
 
 /* vendor specific classes */
 #define MT_CLS_3M				0x0101
@@ -177,6 +178,11 @@ static struct mt_class mt_classes[] = {
 	{ .name = MT_CLS_ALWAYS_TRUE,
 		.quirks = MT_QUIRK_ALWAYS_VALID |
 			MT_QUIRK_CONTACT_CNT_ACCURATE },
+	{ .name = MT_CLS_DUAL_CONTACT_NUMBER,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE |
+			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+		.maxcontacts = 2 },
 
 	/*
 	 * vendor specific classes
@@ -947,7 +953,7 @@ static const struct hid_device_id mt_devices[] = {
 	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
 		MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
-	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
+	{ .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
 		MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
 	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
-- 
1.8.1

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