linux-kernel - [PATCH 11/11] HID: hid-multitouch: use MT_QUIRK_CONTACT_COUNT

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Date:	Fri, 23 Nov 2012 16:31:34 +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 11/11] HID: hid-multitouch: use MT_QUIRK_CONTACT_COUNT_ACCURATE for win 8 devices

Win 8 devices can use MT_QUIRK_CONTACT_COUNT_ACCURATE instead of
MT_QUIRK_IGNORE_DUPLICATES. The process is a little bit faster
for MT_QUIRK_CONTACT_COUNT_ACCURATE, so let's use it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...il.com>
---
 drivers/hid/hid-multitouch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index b374a5a..15d2587 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -315,7 +315,7 @@ static void mt_feature_mapping(struct hid_device *hdev,
 			/* Win 8 devices need special quirks */
 			__s32 *quirks = &td->mtclass.quirks;
 			*quirks |= MT_QUIRK_ALWAYS_VALID;
-			*quirks |= MT_QUIRK_IGNORE_DUPLICATES;
+			*quirks |= MT_QUIRK_CONTACT_COUNT_ACCURATE;
 			*quirks |= MT_QUIRK_HOVERING;
 			*quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
 			*quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
-- 
1.8.0

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