GPCMD_READ_DISC_INFO
cgc.cmd[0] = GPCMD_READ_DISC_INFO;
case GPCMD_READ_DISC_INFO:
if (cgc->cmd[0] == GPCMD_READ_DISC_INFO && sdev->no_read_disc_info)
case GPCMD_READ_DISC_INFO: what = "READ DISC INFORMATION"; break;