SCMD_REG_DRIVER_ENABLE
err = (*(fb->func_phy_read))(fd, debug, 0, SCMD_REG_DRIVER_ENABLE, SCMD_REG_DRIVER_ENABLE, &b);
err = (*(fb->func_phy_write))(fd, debug, 0, SCMD_REG_DRIVER_ENABLE, reg_v);