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Input: tsc2007 - debounce pressure measurement

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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>
This commit is contained in:
Thierry Reding
2011-05-17 09:29:45 -07:00
committed by Dmitry Torokhov
parent f1e430e636
commit 4a1a42af0a
1 changed files with 3 additions and 1 deletions
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4
drivers/input/touchscreen/tsc2007.c
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@@ -156,6 +156,7 @@ static void tsc2007_work(struct work_struct *work)
{ {
struct tsc2007 *ts = struct tsc2007 *ts =
container_of(to_delayed_work(work), struct tsc2007, work); container_of(to_delayed_work(work), struct tsc2007, work);
bool debounced = false;
struct ts_event tc; struct ts_event tc;
u32 rt; u32 rt;
@@ -191,6 +192,7 @@ static void tsc2007_work(struct work_struct *work)
* repeat at least once more the measurement. * repeat at least once more the measurement.
*/ */
dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt); dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);
debounced = true;
goto out; goto out;
} }
@@ -225,7 +227,7 @@ static void tsc2007_work(struct work_struct *work)
} }
out: out:
if (ts->pendown) if (ts->pendown || debounced)
schedule_delayed_work(&ts->work, schedule_delayed_work(&ts->work,
msecs_to_jiffies(TS_POLL_PERIOD)); msecs_to_jiffies(TS_POLL_PERIOD));
else else