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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: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Benjamin Tissoires 2013-01-31 17:22:27 +01:00 committed by Jiri Kosina
parent c629dd7eb3
commit e0bb8f9adf
1 changed files with 1 additions and 0 deletions
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drivers/hid/hid-multitouch.c
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@ -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;