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Commit e0bb8f9a authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
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HID: multitouch: ensure that serial devices make no use of contact count 



The serial protocol makes contact count a redondant information, and
sometimes it is not reliable (TRS-Star are in this case).
Disabling the use of contact count for these devices is thus safer.

Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent c629dd7e

drivers/hid/hid-multitouch.c

+1 −0
Original line number Diff line number Diff line
@@ -758,6 +758,7 @@ static void mt_post_parse_default_settings(struct mt_device *td) 
		quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;

		quirks &= ~MT_QUIRK_VALID_IS_INRANGE;

		quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;

		quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;

	}



	td->mtclass.quirks = quirks;