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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: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
hifive-unleashed-5.1
Chris Bagwell 2010-07-19 09:06:15 -07:00 committed by Dmitry Torokhov
parent 2a8e77102e
commit 58fb021827
1 changed files with 1 additions and 1 deletions
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2
drivers/input/mouse/synaptics.c
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@ -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);