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@xxxxxxxxxxxx>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index be1e2ec..d8b23ad 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -532,9 +532,6 @@ static void mxt_input_touch(struct mxt_data *data, struct mxt_message *message)
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area);
/* TODO: Use vector to report ORIENTATION & TOUCH_MINOR */
}
-
- input_mt_report_pointer_emulation(input_dev, false);
- input_sync(input_dev);
}
static irqreturn_t mxt_interrupt(int irq, void *dev_id)
@@ -542,7 +539,9 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
struct mxt_data *data = dev_id;
struct mxt_message message;
struct device *dev = &data->client->dev;
+ bool update_input;
+ update_input = false;
do {
if (mxt_read_message(data, &message)) {
dev_err(dev, "Failed to read message\n");
@@ -552,11 +551,17 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
if (message.reportid >= data->T9_reportid_min &&
message.reportid <= data->T9_reportid_max) {
mxt_input_touch(data, &message);
+ update_input = true;
} else {
mxt_dump_message(dev, &message);
}
} while (message.reportid != 0xff);
+ if (update_input) {
+ input_mt_report_pointer_emulation(data->input_dev, false);
+ input_sync(data->input_dev);
+ }
+
end:
return IRQ_HANDLED;
}
--
1.7.7.3
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