rem: cdrom->max_speed = 0;
add: cdrom->max_speed_write = 0;  cdrom->max_speed_read = cdrom_s->speed;
context: add_linux_cd_drive (GList *cdroms, struct cdrom_unit *cdrom_s,		struct scsi_unit *units, int n_units){	CDDrive *cdrom;	cdrom = g_new0 (CDDrive, 1);	cdrom->id = NULL;	cdrom->name = cdrom_get_name (cdrom_s, units, n_units);	cdrom->max_speed = 0;	if (cdrom_s->can_read_dvd) {		cdrom->type = DRIVE_TYPE_DVD_DRIVE;	} else {		cdrom->type = DRIVE_TYPE_CD_DRIVE;	}	cdrom->device = g_strdup_printf ("/dev/%s", cdrom_s->device);	cdroms = g_list_append (cdroms, cdrom);	return cdroms;}