From 22739293402966db7ca3eb0148632d986fe30465 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Sat, 15 Sep 2012 08:57:18 +0200 Subject: [PATCH] Input: MT - Allow legacy pressure computation Some drivers like to report ABS_PRESSURE in a special way. Allow this when ABS_MT_PRESSURE is not defined. Acked-by: Dmitry Torokhov Signed-off-by: Henrik Rydberg --- drivers/input/input-mt.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 44f5a67aaa69..c0ec7d42c3be 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -214,13 +214,17 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) if (oldest) { int x = input_mt_get_value(oldest, ABS_MT_POSITION_X); int y = input_mt_get_value(oldest, ABS_MT_POSITION_Y); - int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); input_event(dev, EV_ABS, ABS_X, x); input_event(dev, EV_ABS, ABS_Y, y); - input_event(dev, EV_ABS, ABS_PRESSURE, p); + + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) { + int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); + input_event(dev, EV_ABS, ABS_PRESSURE, p); + } } else { - input_event(dev, EV_ABS, ABS_PRESSURE, 0); + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) + input_event(dev, EV_ABS, ABS_PRESSURE, 0); } } EXPORT_SYMBOL(input_mt_report_pointer_emulation); -- 2.20.1