Input: tsc2007 - debounce pressure measurement
When the controller signals a pen-down event via the platform-specific
GPIO, while the sample values indicate an invalid measurement, the
measurement needs to be repeated.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 80467f2..df4ae35 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -156,6 +156,7 @@
{
struct tsc2007 *ts =
container_of(to_delayed_work(work), struct tsc2007, work);
+ bool debounced = false;
struct ts_event tc;
u32 rt;
@@ -191,6 +192,7 @@
* repeat at least once more the measurement.
*/
dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);
+ debounced = true;
goto out;
}
@@ -225,7 +227,7 @@
}
out:
- if (ts->pendown)
+ if (ts->pendown || debounced)
schedule_delayed_work(&ts->work,
msecs_to_jiffies(TS_POLL_PERIOD));
else