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| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2018-07-27 11:49:10 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-07-27 11:59:33 -0700 |
| commit | 2ca3ba0ae4cf0bf9c17f1a04298c3acca24be5e0 (patch) | |
| tree | 2fbba83a1722b836afb756dc38e11f24d50abd11 /drivers/input | |
| parent | a4891f10583748933a9985fac7aa7c073cc59c85 (diff) | |
Input: atmel_mxt_ts - don't report zero pressure from T9
If T9.CTRL DISAMP is set, then pressure is reported as zero. This means
some app layers (eg tslib) will ignore the contact.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 77387f896262..e32667d82d0f 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -843,6 +843,10 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) mxt_input_sync(data); } + /* if active, pressure must be non-zero */ + if (!amplitude) + amplitude = MXT_PRESSURE_DEFAULT; + /* Touch active */ input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 1); input_report_abs(input_dev, ABS_MT_POSITION_X, x); |