input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH);
input_dev->mscbit[0] |= BIT(MSC_SERIAL);
input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH);
input_dev->mscbit[0] |= BIT(MSC_SERIAL);
input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);