[PATCH 21/22 v4] Input: atmel_mxt_ts - send all MT-B slots in one input report
STALE5214d
From: Daniel Kurtz <hidden>
Date: 2012-06-18 04:09:23
Also in:
lkml
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Linus Torvalds
Revision v4 of 3 in this series.
Revisions (3)
- v4 current
- v5 [diff vs current]
- v6 [diff vs current]
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 | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 460c10f..06f2b7a 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c@@ -540,9 +540,6 @@ 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 irqreturn_t mxt_interrupt(int irq, void *dev_id)
@@ -554,6 +551,7 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id) u8 reportid; u8 max_reportid; u8 min_reportid; + bool update_input = false; do { if (mxt_read_message(data, &message)) {
@@ -567,12 +565,19 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id) min_reportid = data->T9_reportid_min; id = reportid - min_reportid; - if (reportid >= min_reportid && reportid <= max_reportid) + if (reportid >= min_reportid && reportid <= max_reportid) { 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; }
--
1.7.7.3