[PATCH 1/5] tsc2007: Debounce pressure measurement.
From: Thierry Reding <hidden>
Date: 2011-05-16 08:33:07
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
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@gmail.com> Cc: Kwangwoo Lee <redacted> Signed-off-by: Thierry Reding <redacted> --- 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