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.
Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Cc: Kwangwoo Lee <kwlee@xxxxxxxxxxxxxx>
Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/tsc2007.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
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 @@ static void tsc2007_work(struct work_struct *work)
{
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 @@ static void tsc2007_work(struct work_struct *work)
* 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 @@ static void tsc2007_work(struct work_struct *work)
}
out:
- if (ts->pendown)
+ if (ts->pendown || debounced)
schedule_delayed_work(&ts->work,
msecs_to_jiffies(TS_POLL_PERIOD));
else
--
1.7.5.1
--
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