IF_SPI_CMD_RDWRPORT_REG
case IF_SPI_CMD_RDWRPORT_REG:
err = spu_write(card, IF_SPI_CMD_RDWRPORT_REG,
err = spu_write(card, IF_SPI_CMD_RDWRPORT_REG,
err = spu_read(card, IF_SPI_CMD_RDWRPORT_REG,
port_reg = IF_SPI_CMD_RDWRPORT_REG;