RE: [PATCH] Input: /input/input-mt.c Emit BTN_TOO_FINGER in function input_mt_report_pointer_emulation if touchpad meets hover condition Signed-off-by: KT Liao

[廖崇榮]

Hi Dmitry,

        We would like to follow up if there is any update or feedback for
this patch.

Thanks & B.R  KT

-----Original Message-----
From: 廖崇榮 [mailto:kt.l...@emc.com.tw] 
Sent: Thursday, June 02, 2016 7:57 PM
To: 'linux-kernel@vger.kernel.org'; 'linux-in...@vger.kernel.org';
'dmitry.torok...@gmail.com'
Cc: 'phoe...@emc.com.tw'; 'jeff.ch...@emc.com.tw';
'charliemoo...@google.com'; 'agnesch...@google.com'; 'jeff'
Subject: RE: [PATCH] Input: /input/input-mt.c Emit BTN_TOO_FINGER in
function input_mt_report_pointer_emulation if touchpad meets hover condition
Signed-off-by: KT Liao <kt.l...@emc.com.tw>

Hi Dmitry,

I up-streamed the patch last Sunday, please let me know if you have other
concern.

Thanks your support   KT

-----Original Message-----
From: KT Liao [mailto:ktalex.l...@gmail.com] 
Sent: Sunday, May 29, 2016 11:39 AM
To: linux-kernel@vger.kernel.org; linux-in...@vger.kernel.org;
dmitry.torok...@gmail.com
Cc: phoe...@emc.com.tw; kt.l...@emc.com.tw; jeff.ch...@emc.com.tw;
charliemoo...@google.com
Subject: [PATCH] Input: /input/input-mt.c Emit BTN_TOO_FINGER in function
input_mt_report_pointer_emulation if touchpad meets hover condition
Signed-off-by: KT Liao <kt.l...@emc.com.tw>

---
 drivers/input/input-mt.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index
54fce56..b89aaa7 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -218,8 +218,17 @@ void input_mt_report_pointer_emulation(struct input_dev
*dev, bool use_count)
        }
 
        input_event(dev, EV_KEY, BTN_TOUCH, count > 0);
-       if (use_count)
+
+       if (use_count) {
+               if (count == 0 &&
+                   !test_bit(ABS_MT_DISTANCE, dev->absbit) &&
+                   test_bit(ABS_DISTANCE, dev->absbit) &&
+                   input_abs_get_val(dev, ABS_DISTANCE) != 0) {
+                       count = 1;
+               }
                input_mt_report_finger_count(dev, count);
+       }
+
 
        if (oldest) {
                int x = input_mt_get_value(oldest, ABS_MT_POSITION_X);
--
2.7.4