diff options
| author | Henrik Rydberg <rydberg@bitmath.org> | 2010-11-12 09:11:54 +0100 |
|---|---|---|
| committer | John Rigby <john.rigby@linaro.org> | 2011-11-16 14:23:27 -0700 |
| commit | af5b6496983f4f1332f29ff39dce33e44ae4a444 (patch) | |
| tree | 8b4f5e18d789251d1a5dadd6f5b7969a08130381 /drivers | |
| parent | b89480c08da756b26e97a399a898f9cd4ccd6b5c (diff) | |
hid: ntrig: Mask pen switch events
When the pen comes in proximity, special packets appear on the
multitouch device. This confuses userland to misinterpret the
touch state. This patch masks the special pen packets consisting
of a single finger of width 10, thereby fixing the problem.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/hid-ntrig.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c index 27d249f39dc..9c53e96e03e 100644 --- a/drivers/hid/hid-ntrig.c +++ b/drivers/hid/hid-ntrig.c @@ -408,6 +408,10 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field, break; nd->nindex = 0; nd->ncol = value; + /* skip pen switch events */ + if (nd->ncol == 1 && + nd->col[0].w == 10 && nd->col[0].h == 10) + break; report_frame(input, nd); break; } |