linux-kernel - [PATCH 14/25] HID: multitouch: optimize Elo panels

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Message-Id: <1359120190-18281-15-git-send-email-benjamin.tissoires@gmail.com>
Date:	Fri, 25 Jan 2013 14:22:59 +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 14/25] HID: multitouch: optimize Elo panels

Relying on ALWAYS_VALID enhance a little the processing time of
the events.

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 bc680b5..77f34ad 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -121,6 +121,7 @@ struct mt_device {
 #define MT_CLS_ALWAYS_TRUE			0x000a
 #define MT_CLS_CONTACT_ID			0x0011
 #define MT_CLS_MINUS_ONE			0x0012
+#define MT_CLS_DUAL_CONTACT_ID			0x0013
 
 /* vendor specific classes */
 #define MT_CLS_3M				0x0101
@@ -191,6 +192,11 @@ static struct mt_class mt_classes[] = {
 		.quirks = MT_QUIRK_ALWAYS_VALID |
 			MT_QUIRK_CONTACT_CNT_ACCURATE |
 			MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
+	{ .name = MT_CLS_DUAL_CONTACT_ID,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE |
+			MT_QUIRK_SLOT_IS_CONTACTID,
+		.maxcontacts = 2 },
 
 	/*
 	 * vendor specific classes
@@ -1050,7 +1056,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
 
 	/* Elo TouchSystems IntelliTouch Plus panel */
-	{ .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
+	{ .driver_data = MT_CLS_DUAL_CONTACT_ID,
 		MT_USB_DEVICE(USB_VENDOR_ID_ELO,
 			USB_DEVICE_ID_ELO_TS2515) },
 
-- 
1.8.1

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