Input: add the ABS_MT_PRESSURE event

For pressure-based multi-touch devices, a direct way to send sensor
intensity data per finger is needed. This patch adds the ABS_MT_PRESSURE
event to the MT protocol.

Requested-by: Yoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 30b503b8d67b..86cb2d2196ff 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -46,6 +46,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = {
         ABS_MT_TOOL_TYPE,
         ABS_MT_BLOB_ID,
         ABS_MT_TRACKING_ID,
+        ABS_MT_PRESSURE,
         0
 };
 static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];