Input: wdt87xx_i2c - add a scaling factor for TOUCH_MAJOR event

Get the scaling factor when it reads the sys params. The width value will
multiple the factor and report the value in the TOUCH_MAJOR event.

Signed-off-by: HungNien Chen <hn.chen@weidahitech.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
1 file changed