From 4a1a42af0aba011e263098f107a2f45e0de2f279 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 17 May 2011 09:29:45 -0700 Subject: [PATCH] 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 Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/tsc2007.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 80467f26233..df4ae354969 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 -- 2.20.1