GPCMD_READ_DVD_STRUCTURE
cgc->cmd[0] = GPCMD_READ_DVD_STRUCTURE;
cgc->cmd[0] = GPCMD_READ_DVD_STRUCTURE;
cgc->cmd[0] = GPCMD_READ_DVD_STRUCTURE;
cgc->cmd[0] = GPCMD_READ_DVD_STRUCTURE;
cgc->cmd[0] = GPCMD_READ_DVD_STRUCTURE;
case GPCMD_READ_DVD_STRUCTURE: