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| author | Josh Boyer <jwboyer@fedoraproject.org> | 2015-12-03 10:59:46 -0500 |
|---|---|---|
| committer | Josh Boyer <jwboyer@fedoraproject.org> | 2015-12-03 11:04:38 -0500 |
| commit | 7361620af83fe62a8d2c1588f9c71e6e947e005c (patch) | |
| tree | 2966014c1085117cf7a5fda57ff3ba9300a92ef0 | |
| parent | 1f24bf8ccdf265e45c0d4a5d6acb2ab4a916a284 (diff) | |
| download | kernel-7361620af83fe62a8d2c1588f9c71e6e947e005c.tar.gz kernel-7361620af83fe62a8d2c1588f9c71e6e947e005c.tar.xz kernel-7361620af83fe62a8d2c1588f9c71e6e947e005c.zip | |
Add patch to fix palm rejection on certain touchpads (rhbz 1287819)
| -rw-r--r-- | HID-multitouch-enable-palm-rejection-if-device-imple.patch | 41 | ||||
| -rw-r--r-- | kernel.spec | 6 |
2 files changed, 47 insertions, 0 deletions
diff --git a/HID-multitouch-enable-palm-rejection-if-device-imple.patch b/HID-multitouch-enable-palm-rejection-if-device-imple.patch new file mode 100644 index 000000000..b9753fce7 --- /dev/null +++ b/HID-multitouch-enable-palm-rejection-if-device-imple.patch @@ -0,0 +1,41 @@ +From 37e81f1a82ba4f214c05c4cc3807378753c7a867 Mon Sep 17 00:00:00 2001 +From: Allen Hung <allen_hung@dell.com> +Date: Fri, 20 Nov 2015 18:21:06 +0800 +Subject: [PATCH] HID: multitouch: enable palm rejection if device implements + confidence usage + +The usage Confidence is mandary to Windows Precision Touchpad devices. The +appearance of this usage is checked in hidinput_connect but the quirk +MT_QUIRK_VALID_IS_CONFIDENCE is not applied to device accordingly. +Apply this quirk and also remove quirk MT_QUIRK_ALWAYS_VALID to enable palm +rejection for the WIN 8 touchpad devices which have implemented usage +Confidence in its input reports. + +Tested on Dell XPS 13 laptop. + +Signed-off-by: Allen Hung <allen_hung@dell.com> +Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> +Signed-off-by: Jiri Kosina <jkosina@suse.cz> +--- + drivers/hid/hid-multitouch.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c +index 7c811252c1ce..0c94348a168d 100644 +--- a/drivers/hid/hid-multitouch.c ++++ b/drivers/hid/hid-multitouch.c +@@ -448,6 +448,11 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + mt_store_field(usage, td, hi); + return 1; + case HID_DG_CONFIDENCE: ++ if (cls->name == MT_CLS_WIN_8 && ++ field->application == HID_DG_TOUCHPAD) { ++ cls->quirks &= ~MT_QUIRK_ALWAYS_VALID; ++ cls->quirks |= MT_QUIRK_VALID_IS_CONFIDENCE; ++ } + mt_store_field(usage, td, hi); + return 1; + case HID_DG_TIPSWITCH: +-- +2.5.0 + diff --git a/kernel.spec b/kernel.spec index dfbb10938..d152012ce 100644 --- a/kernel.spec +++ b/kernel.spec @@ -597,6 +597,9 @@ Patch567: usbvision-fix-crash-on-detecting-device-with-invalid.patch #CVE-2015-7515 rhbz 1285326 1285331 Patch568: Input-aiptek-fix-crash-on-detecting-device-without-e.patch +#rhbz 1287819 +Patch570: HID-multitouch-enable-palm-rejection-if-device-imple.patch + # END OF PATCH DEFINITIONS %endif @@ -2040,6 +2043,9 @@ fi # # %changelog +* Thu Dec 03 2015 Josh Boyer <jwboyer@fedoraproject.org> +- Add patch to fix palm rejection on certain touchpads (rhbz 1287819) + * Wed Dec 02 2015 Laura Abbott <labbott@redhat.com> - 4.4.0-0.rc3.git2.1 - Linux v4.4-rc3-8-g6a24e72 |