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Message-Id: <1340109594-10732-2-git-send-email-benjamin.tissoires@gmail.com> Date: Tue, 19 Jun 2012 14:39:53 +0200 From: "benjamin.tissoires" <benjamin.tissoires@...il.com> To: "benjamin.tissoires" <benjamin.tissoires@...il.com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Henrik Rydberg <rydberg@...omail.se>, Jiri Kosina <jkosina@...e.cz>, Stephane Chatty <chatty@...c.fr>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 2/3] HID: hid-multitouch: support arrays for the split of the touches in a report From: Benjamin Tissoires <benjamin.tissoires@...c.fr> Win8 certification introduced the ability to transmit two X and two Y per touch. The specification precises that it must be in an array, with a report count == 2. This test guarantees that we split the touches on the last element in this array. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...c.fr> --- drivers/hid/hid-multitouch.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 9a3891e..a5ef877 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -601,7 +601,10 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, return 0; } - if (usage->hid == td->last_slot_field) + if (usage->hid == td->last_slot_field && + usage == &field->usage[field->maxusage - 1]) + /* we only take into account the last report + * of a field if report_count > 1 */ mt_complete_slot(td); if (field->index == td->last_field_index -- 1.7.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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