[PATCH 15/16 v2] Input: atmel_mxt_ts - send all MT-B slots in one input report
From: Daniel Kurtz <hidden>
Date: 2012-03-29 16:52:15
Also in:
lkml
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Linus Torvalds
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 <redacted> --- 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