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Commit 58fb0218 authored by Chris Bagwell's avatar Chris Bagwell Committed by Dmitry Torokhov
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Input: synaptics - set min/max for finger width 



Reporting this will allow GUI config apps to correctly scale
width sensitive config values (such as palm detect) to correct
range.  Current user apps are detecting kernels min/max=0/0 and
making an assumption that it means 0/16 or 0/15.

Synaptics touchpad interface guides show 4/15 are correct values
but driver forces to 0 when no fingers on touchpad.

Signed-off-by: default avatarChris Bagwell <chris@cnpbagwell.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 2a8e7710

drivers/input/mouse/synaptics.c

+1 −1
Original line number Diff line number Diff line
@@ -600,7 +600,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) 
	input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);



	if (SYN_CAP_PALMDETECT(priv->capabilities))

		__set_bit(ABS_TOOL_WIDTH, dev->absbit);

		input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);



	__set_bit(EV_KEY, dev->evbit);

	__set_bit(BTN_TOUCH, dev->keybit);