linux-kernel - [PATCH RESEND 1/4] HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to MT_CLS_WIN

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Message-Id: <958e450a066289c94ba03429166c972c54be6fb3.1530402641.git.joeypabalinas@gmail.com>
Date:   Thu,  9 Aug 2018 13:39:16 -1000
From:   Joey Pabalinas <joeypabalinas@...il.com>
To:     linux-input@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Daniel Martin <consume.noise@...il.com>
Subject: [PATCH RESEND 1/4] HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to MT_CLS_WIN_8 quirks

The firmware found in the touch screen of the Surface Pro 3 is slightly
buggy and occasionally doesn't send lift off reports for contacts; add
MT_QUIRK_NOT_SEEN_MEANS_UP to .quirks to compensate for the missed
reports.

Signed-off-by: Joey Pabalinas <joeypabalinas@...il.com>

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 45968f7970f87775fa..a793076139d7d0db9b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -242,11 +242,12 @@ static struct mt_class mt_classes[] = {
 		.quirks = MT_QUIRK_ALWAYS_VALID |
 			MT_QUIRK_IGNORE_DUPLICATES |
 			MT_QUIRK_HOVERING |
 			MT_QUIRK_CONTACT_CNT_ACCURATE |
 			MT_QUIRK_STICKY_FINGERS |
-			MT_QUIRK_WIN8_PTP_BUTTONS },
+			MT_QUIRK_WIN8_PTP_BUTTONS |
+			MT_QUIRK_NOT_SEEN_MEANS_UP },
 	{ .name = MT_CLS_EXPORT_ALL_INPUTS,
 		.quirks = MT_QUIRK_ALWAYS_VALID |
 			MT_QUIRK_CONTACT_CNT_ACCURATE,
 		.export_all_inputs = true },
 	{ .name = MT_CLS_WIN_8_DUAL,
-- 
2.18.0