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authorThierry Reding <thierry.reding@avionic-design.de>2011-05-17 09:29:45 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-05-17 09:38:34 -0700
commit4a1a42af0aba011e263098f107a2f45e0de2f279 (patch)
treebb554a9f992732210a711cec06aa396d54527106 /drivers/input/touchscreen
parentf1e430e6369f5edac552d99bff15369ef8c6bbd2 (diff)
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>
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/tsc2007.c4
1 files changed, 3 insertions, 1 deletions
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