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Input: atmel_mxt_ts - send all MT-B slots in one input report

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Each interrupt contains information for all contacts with changing
properties.  Process all of this information at once, and send it all in a
a single input report (ie input events ending in EV_SYN/SYN_REPORT).

This patch was tested using an MXT224E.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
This commit is contained in:
Daniel Kurtz 2012-06-28 21:08:23 +08:00 committed by Henrik Rydberg
parent cb15911509
commit 64464ae8e1
1 changed files with 10 additions and 5 deletions
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15
drivers/input/touchscreen/atmel_mxt_ts.c
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@ -547,9 +547,6 @@ static void mxt_input_touchevent(struct mxt_data *data,
input_report_abs(input_dev, ABS_MT_PRESSURE, pressure);
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area);
}
input_mt_report_pointer_emulation(input_dev, false);
input_sync(input_dev);
}
static bool mxt_is_T9_message(struct mxt_data *data, struct mxt_message *msg)
@ -565,6 +562,7 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
struct device *dev = &data->client->dev;
int id;
u8 reportid;
bool update_input = false;
do {
if (mxt_read_message(data, &message)) {
@ -576,12 +574,19 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
id = reportid - data->T9_reportid_min;
if (mxt_is_T9_message(data, &message))
if (mxt_is_T9_message(data, &message)) {
mxt_input_touchevent(data, &message, id);
else
update_input = true;
} else {
mxt_dump_message(dev, &message);
}
} while (reportid != 0xff);
if (update_input) {
input_mt_report_pointer_emulation(data->input_dev, false);
input_sync(data->input_dev);
}
end:
return IRQ_HANDLED;
}