Input: ads7846 - report 0 pressure value along with pen up event

X touchscreen drivers that don't interpret the designated pen up message
assume a pen up event from a pressure value 0. For these we generate a
pressure 0 message along with the pen up message.

Signed-off-by: Imre Deak <imre.deak@nokia.com>
Acked-by: Juha Yrjola <juha.yrjola@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index e7cabf12c8dc..1aaa153a2774 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -375,11 +375,13 @@ static void ads7846_rx(void *ads)
         if (Rt) {
                 input_report_abs(input_dev, ABS_X, x);
                 input_report_abs(input_dev, ABS_Y, y);
-                input_report_abs(input_dev, ABS_PRESSURE, Rt);
                 sync = 1;
         }
-        if (sync)
+
+        if (sync) {
+                input_report_abs(input_dev, ABS_PRESSURE, Rt);
                 input_sync(input_dev);
+        }
 
 #ifdef  VERBOSE
         if (Rt || ts->pendown)