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Commit 22739293 authored by Henrik Rydberg's avatar Henrik Rydberg
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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: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarHenrik Rydberg <rydberg@euromail.se>
parent 17a465a7

drivers/input/input-mt.c

+7 −3
Original line number Diff line number Diff line
@@ -214,12 +214,16 @@ 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);



		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 {

		if (test_bit(ABS_MT_PRESSURE, dev->absbit))

			input_event(dev, EV_ABS, ABS_PRESSURE, 0);

	}

}