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Revert "HID: multitouch: enable palm rejection if device implements confidence usage"
This reverts commit 25a84db15b
("HID: multitouch: enable palm rejection
if device implements confidence usage")
The commit enables palm rejection for Win8 Precision Touchpad devices but
the quirk MT_QUIRK_VALID_IS_CONFIDENCE it is using is not working very
properly. This quirk is originally designed for some WIn7 touchscreens. Use
of this for a Win8 Precision Touchpad will cause unexpected pointer jumping
problem.
Cc: stable@vger.kernel.org # v4.5+
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Andy Lutomirski <luto@kernel.org> # XPS 13 9350, BIOS 1.4.3
Signed-off-by: Allen Hung <allen_hung@dell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
parent
93a2001bdf
commit
62630ea768
1 changed files with 0 additions and 5 deletions
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@ -502,11 +502,6 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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mt_store_field(usage, td, hi);
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return 1;
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case HID_DG_CONFIDENCE:
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if (cls->name == MT_CLS_WIN_8 &&
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field->application == HID_DG_TOUCHPAD) {
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cls->quirks &= ~MT_QUIRK_ALWAYS_VALID;
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cls->quirks |= MT_QUIRK_VALID_IS_CONFIDENCE;
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}
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mt_store_field(usage, td, hi);
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return 1;
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case HID_DG_TIPSWITCH:
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