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HID: hid-multitouch: Fix contact count on 3M panels

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Some devices report the number of contacts via the unreliable
CONTACTCOUNT usage, rather than using the CONTACTMAX feature.
Without this patch, the 3M devices are constrained to the default
maximum of ten fingers.

Cc: Benjamin Tissoires <[email protected]>
Acked-by: Jiri Kosina <[email protected]>
Signed-off-by: Henrik Rydberg <[email protected]>
This commit is contained in:
Henrik Rydberg 2012-09-05 16:58:12 +02:00
commit c5d40be5f5
1 changed files with 3 additions and 1 deletions
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4
drivers/hid/hid-multitouch.c
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@ -171,7 +171,9 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_SLOT_IS_CONTACTID,
.sn_move = 2048,
.sn_width = 128,
.sn_height = 128 },
.sn_height = 128,
.maxcontacts = 60,
},
{ .name = MT_CLS_CYPRESS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_CYPRESS,