Input: ads7846 - avoid pen up/down when reading hwmon

Each time the HWMON devices are read (e.g. battery voltage) while the
touchscreen is held pressed, extra pen-up and pen-down events are
generated. This is fixed by avoiding the UP event when the touchscreen is
stopped.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f5793e3..735a0be 100644 (file)
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -871,7 +871,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
                                   msecs_to_jiffies(TS_POLL_PERIOD));
        }
 
-       if (ts->pendown) {
+       if (ts->pendown && !ts->stopped) {
                struct input_dev *input = ts->input;
 
                input_report_key(input, BTN_TOUCH, 0);