MT_TOOL_PALM
if (toolType == MT_TOOL_PALM) {
MT_TOOL_PALM : MT_TOOL_FINGER;
tool = MT_TOOL_PALM;
MT_TOOL_PALM, 0, 0);
obj->mt_tool = MT_TOOL_PALM;
0, MT_TOOL_PALM, 0, 0);
MT_TOOL_FINGER : MT_TOOL_PALM;
input_set_abs_params(input, ABS_MT_TOOL_TYPE, 0, MT_TOOL_PALM, 0, 0);
palm ? MT_TOOL_PALM : MT_TOOL_FINGER,