[PATCH v4 2/8] drivers:input:tsc2007: send pendown and penup only once like ads7846(+tsc2046) driver does

[H. Nikolaus Schaller]

this should reduce unnecessary input events.

Signed-off-by: H. Nikolaus Schaller 
---
 drivers/input/touchscreen/tsc2007.c | 17 +
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/input/touchscreen/tsc2007.c 
b/drivers/input/touchscreen/tsc2007.c
index c1d9593..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;
boolstopped;
+   boolpendown;
 
int (*get_pendown_state)(struct device *);
void(*clear_penirq)(void);
@@ -227,7 +228,11 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
sx, sy, rt);
 
/* report event */
-   input_report_key(input, BTN_TOUCH, 1);
+   if (!ts->pendown) {
+   input_report_key(input, BTN_TOUCH, 1);
+   ts->pendown = true;
+   }
+
touchscreen_report_pos(ts->input, >prop,
(unsigned int) sx,
(unsigned int) sy,
@@ -250,9 +255,13 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
 
dev_dbg(>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

[PATCH v4 2/8] drivers:input:tsc2007: send pendown and penup only once like ads7846(+tsc2046) driver does

[H. Nikolaus Schaller]

this should reduce unnecessary input events.

Signed-off-by: H. Nikolaus Schaller 
---
 drivers/input/touchscreen/tsc2007.c | 17 +
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/input/touchscreen/tsc2007.c 
b/drivers/input/touchscreen/tsc2007.c
index c1d9593..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;
boolstopped;
+   boolpendown;
 
int (*get_pendown_state)(struct device *);
void(*clear_penirq)(void);
@@ -227,7 +228,11 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
sx, sy, rt);
 
/* report event */
-   input_report_key(input, BTN_TOUCH, 1);
+   if (!ts->pendown) {
+   input_report_key(input, BTN_TOUCH, 1);
+   ts->pendown = true;
+   }
+
touchscreen_report_pos(ts->input, >prop,
(unsigned int) sx,
(unsigned int) sy,
@@ -250,9 +255,13 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
 
dev_dbg(>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