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From: Joey Pabalinas <joeypabalinas@gmail.com>
To: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Jiri Kosina <jikos@kernel.org>,
	Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	Daniel Martin <consume.noise@gmail.com>
Subject: [PATCH RESEND 0/4] reduce Surface Pro 3 multitouch jitter
Date: Thu,  9 Aug 2018 13:39:15 -1000
Message-ID: <cover.1530402641.git.joeypabalinas@gmail.com> (raw)
Message-ID: <20180809233915.fzWMBW4HWIbJ9OitIwSp2q3scDkFWnDztL1PYPOUuRY@z> (raw)

The Surface Pro 3 firmware doesn't reliably send contact lift off
reports nor handle invalid report values gracefully.

To reduce touchscreen input jitter:
  - add MT_QUIRK_NOT_SEEN_MEANS_UP to the MT_CLS_WIN_8
  - drop invalid report values

Patches have been tested on my personal Surface Pro 3 for a
couple months without any problems, as well as being run in my
Arch Linux AUR kernel package [1] without a single complaint
so far.

[1] https://aur.archlinux.org/packages/linux-surfacepro3-git

Joey Pabalinas (4):
  HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to MT_CLS_WIN_8 quirks
  HID: multitouch: don't check HID_GROUP_MULTITOUCH_WIN_8 for serial protocol
  HID: multitouch: drop reports containing invalid values
  HID: multitouch: remove unneeded else conditional cases

 drivers/hid/hid-multitouch.c | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

-- 
2.18.0


             reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-01  0:19 Joey Pabalinas [this message]
2018-07-01  0:19 ` [PATCH 1/4] HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to MT_CLS_WIN_8 quirks Joey Pabalinas
2018-07-03  7:53   ` Benjamin Tissoires
2018-08-09 23:57     ` Joey Pabalinas
2018-08-09 23:39   ` [PATCH RESEND " Joey Pabalinas
2018-08-10  3:54   ` Joey Pabalinas
2018-07-01  0:19 ` [PATCH 2/4] HID: multitouch: don't check HID_GROUP_MULTITOUCH_WIN_8 for serial protocol Joey Pabalinas
2018-07-03  8:16   ` Benjamin Tissoires
2018-08-10  3:50     ` Joey Pabalinas
2018-08-09 23:39   ` [PATCH RESEND " Joey Pabalinas
2018-07-01  0:19 ` [PATCH 3/4] HID: multitouch: drop reports containing invalid values Joey Pabalinas
2018-07-03  8:13   ` Benjamin Tissoires
2018-08-10  3:27     ` Joey Pabalinas
2018-08-09 23:39   ` [PATCH RESEND " Joey Pabalinas
2018-07-01  0:19 ` [PATCH 4/4] HID: multitouch: remove unneeded else conditional cases Joey Pabalinas
2018-07-03  8:17   ` Benjamin Tissoires
2018-08-10  0:03     ` Joey Pabalinas
2018-08-09 23:39   ` [PATCH RESEND " Joey Pabalinas
2018-08-09 23:39 ` [PATCH RESEND 0/4] reduce Surface Pro 3 multitouch jitter Joey Pabalinas

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