GOODIX_HID_ACK_HEADER_SIZE
GOODIX_HID_ACK_HEADER_SIZE + bufsize;
memset(tmp_buf, 0, GOODIX_HID_ACK_HEADER_SIZE);
tx_len += GOODIX_HID_ACK_HEADER_SIZE;
GOODIX_HID_ACK_HEADER_SIZE +
memset(tmp_buf, 0, GOODIX_HID_ACK_HEADER_SIZE);
tx_len += GOODIX_HID_ACK_HEADER_SIZE;
GOODIX_HID_ACK_HEADER_SIZE +
GOODIX_HID_ACK_HEADER_SIZE + GOODIX_HID_COOR_PKG_LEN;