* Only exponent 1 length units are processed. Centimeters and inches are
* converted to millimeters. Degrees are converted to radians.
*/
-static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
{
__s32 unit_exponent = field->unit_exponent;
__s32 logical_extents = field->logical_maximum -
case ABS_X:
case ABS_Y:
case ABS_Z:
+ case ABS_MT_POSITION_X:
+ case ABS_MT_POSITION_Y:
+ case ABS_MT_TOOL_X:
+ case ABS_MT_TOOL_Y:
+ case ABS_MT_TOUCH_MAJOR:
+ case ABS_MT_TOUCH_MINOR:
if (field->unit == 0x11) { /* If centimeters */
/* Convert to millimeters */
unit_exponent += 1;
/* Calculate resolution */
return logical_extents / physical_extents;
}
+EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
#ifdef CONFIG_HID_BATTERY_STRENGTH
static enum power_supply_property hidinput_battery_props[] = {