[PATCH v3 2/8] drivers:input:tsc2007: send pendown and penup only once like ads7846(+tsc2046) driver does
From: H. Nikolaus Schaller <hidden>
Date: 2016-09-23 12:42:29
Also in:
linux-iio, linux-input, linux-omap, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
this should reduce unnecessary input events. Signed-off-by: H. Nikolaus Schaller <redacted> --- drivers/input/touchscreen/tsc2007.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 9a11509..e9d5086 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c@@ -94,6 +94,7 @@ struct tsc2007 { wait_queue_head_t wait; bool stopped; + bool pendown; int (*get_pendown_state)(struct device *); void (*clear_penirq)(void);
@@ -254,9 +255,13 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle) dev_dbg(&ts->client->dev, "UP\n"); - input_report_key(input, BTN_TOUCH, 0); - input_report_abs(input, ABS_PRESSURE, 0); - input_sync(input); + if (ts->pendown) { + input_report_key(input, BTN_TOUCH, 0); + input_report_abs(input, ABS_PRESSURE, 0); + input_sync(input); + + ts->pendown = false; + } if (ts->clear_penirq) ts->clear_penirq();
--
2.7.3