usb_cypress_writemem
ret = usb_cypress_writemem(udev, hx->addr, hx->data, hx->len);
ret = usb_cypress_writemem(udev, cypress[type].cs_reg, hx->data, 1);
ret = usb_cypress_writemem(udev, cypress[type].cs_reg, hx->data, 1);
if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1)
ret = usb_cypress_writemem(udev, hx->addr, hx->data, hx->len);
if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1) {