diff -ur --exclude-from /home/axboe/exclude /opt/kernel/linux-2.2.18-pre3/drivers/block/ide-cd.c linux/drivers/block/ide-cd.c
--- /opt/kernel/linux-2.2.18-pre3/drivers/block/ide-cd.c	Mon Sep  4 23:03:34 2000
+++ linux/drivers/block/ide-cd.c	Tue Sep  5 00:19:01 2000
@@ -1827,6 +1827,20 @@
 	return cdrom_queue_packet_command(drive, &pc);
 }
 
+static int cdrom_play_audio(ide_drive_t *drive, int lba_start, int lba_end)
+{
+	struct request_sense sense;
+	struct packet_command pc;
+
+	memset(&pc, 0, sizeof (pc));
+	pc.sense = &sense;
+
+	pc.c[0] = GPCMD_PLAY_AUDIO_10;
+	put_unaligned(cpu_to_be32(lba_start), (unsigned int *) &pc.c[2]);
+	put_unaligned(cpu_to_be16(lba_end - lba_start), (unsigned int *) &pc.c[7]);
+
+	return cdrom_queue_packet_command(drive, &pc);
+}
 
 static int cdrom_get_toc_entry(ide_drive_t *drive, int track,
 				struct atapi_toc_entry **ent)
@@ -1932,6 +1946,34 @@
 	struct cdrom_info *info = drive->driver_data;
 
 	switch (cmd) {
+	/*
+	 * emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since
+	 * atapi doesn't support it
+	 */
+	case CDROMPLAYTRKIND: {
+		int stat, lba_start, lba_end;
+		struct cdrom_ti *ti = (struct cdrom_ti *)arg;
+		struct atapi_toc_entry *first_toc, *last_toc;
+
+		stat = cdrom_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
+		if (stat)
+			return stat;
+
+		stat = cdrom_get_toc_entry(drive, ti->cdti_trk1, &last_toc);
+		if (stat)
+			return stat;
+
+		if (ti->cdti_trk1 != CDROM_LEADOUT)
+			++last_toc;
+		lba_start = first_toc->addr.lba;
+		lba_end   = last_toc->addr.lba;
+
+		if (lba_end <= lba_start)
+			return -EINVAL;
+
+		return cdrom_play_audio(drive, lba_start, lba_end);
+	}
+
 	case CDROMREADTOCHDR: {
 		int stat;
 		struct cdrom_tochdr *tochdr = (struct cdrom_tochdr *) arg;
diff -ur --exclude-from /home/axboe/exclude /opt/kernel/linux-2.2.18-pre3/drivers/cdrom/cdrom.c linux/drivers/cdrom/cdrom.c
--- /opt/kernel/linux-2.2.18-pre3/drivers/cdrom/cdrom.c	Mon Sep  4 23:03:34 2000
+++ linux/drivers/cdrom/cdrom.c	Tue Sep  5 00:03:36 2000
@@ -1966,19 +1966,6 @@
 		/* cdinfo(CD_DO_IOCTL, "CDROMSUBCHNL successful\n"); */ 
 		return 0;
 		}
-	case CDROMPLAYTRKIND: {
-		struct cdrom_ti ti;
-
-		cdinfo(CD_DO_IOCTL, "entering CDROMPLAYTRKIND\n");
-		IOCTL_IN(arg, struct cdrom_ti, ti);
-
-		cgc.cmd[0] = GPCMD_PLAY_AUDIO_TI;
-		cgc.cmd[4] = ti.cdti_trk0;
-		cgc.cmd[5] = ti.cdti_ind0;
-		cgc.cmd[7] = ti.cdti_trk1;
-		cgc.cmd[8] = ti.cdti_ind1;
-		return cdo->generic_packet(cdi, &cgc);
-		}
 	case CDROMPLAYMSF: {
 		struct cdrom_msf msf;
 		cdinfo(CD_DO_IOCTL, "entering CDROMPLAYMSF\n");
diff -ur --exclude-from /home/axboe/exclude /opt/kernel/linux-2.2.18-pre3/drivers/scsi/sr_ioctl.c linux/drivers/scsi/sr_ioctl.c
--- /opt/kernel/linux-2.2.18-pre3/drivers/scsi/sr_ioctl.c	Mon Sep  4 23:03:35 2000
+++ linux/drivers/scsi/sr_ioctl.c	Tue Sep  5 00:58:10 2000
@@ -314,6 +314,8 @@
     u_char  sr_cmd[10];    
     int result, target  = MINOR(cdi->dev);
     unsigned char buffer[32];
+
+    memset(sr_cmd, 0, sizeof(sr_cmd));
     
     switch (cmd) 
     {
@@ -324,10 +326,7 @@
 	sr_cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
 	sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5);
 	sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0;
-	sr_cmd[6] = 0;
-	sr_cmd[7] = 0;              /* MSB of length (12) */
 	sr_cmd[8] = 12;             /* LSB of length */
-	sr_cmd[9] = 0;
 	
 	result = sr_do_ioctl(target, sr_cmd, buffer, 12, 1);
 	
@@ -346,9 +345,7 @@
           (tocentry->cdte_format == CDROM_MSF ? 0x02 : 0);
 	sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0;
 	sr_cmd[6] = tocentry->cdte_track;
-	sr_cmd[7] = 0;             /* MSB of length (12)  */
 	sr_cmd[8] = 12;            /* LSB of length */
-	sr_cmd[9] = 0;
 	
 	result = sr_do_ioctl (target, sr_cmd, buffer, 12, 0);
 	
@@ -373,9 +370,7 @@
 		sr_cmd[0] = MODE_SENSE;
 		sr_cmd[1] = (scsi_CDs[target].device -> lun) << 5;
 		sr_cmd[2] = 0xe;    /* Want mode page 0xe, CDROM audio params */
-		sr_cmd[3] = 0;
 		sr_cmd[4] = 28;
-		sr_cmd[5] = 0;
 	
 		if ((buffer = (unsigned char *) scsi_malloc(512)) == NULL)
 			return -ENOMEM;
@@ -436,9 +431,7 @@
 		sr_cmd[0] = MODE_SENSE;
 		sr_cmd[1] = (scsi_CDs[target].device -> lun) << 5;
 		sr_cmd[2] = 0xe;    /* Want mode page 0xe, CDROM audio params */
-		sr_cmd[3] = 0;
 		sr_cmd[4] = 28;
-		sr_cmd[5] = 0;
 	
 		if ((buffer = (unsigned char *) scsi_malloc(512)) == NULL)
 			return -ENOMEM;
@@ -455,6 +448,20 @@
 		volctrl->channel3 = buffer[27];
 
 		scsi_free(buffer, 512);
+		break;
+	}
+
+    case CDROMPLAYTRKIND: {
+		struct cdrom_ti* ti = (struct cdrom_ti*)arg;
+
+		sr_cmd[0] = GPCMD_PLAYAUDIO_TI;
+		sr_cmd[1] = scsi_CDs[target].device->lun << 5;
+		sr_cmd[4] = ti->cdti_trk0;
+		sr_cmd[5] = ti->cdti_ind0;
+		sr_cmd[7] = ti->cdti_trk1;
+		sr_cmd[8] = ti->cdti_ind1;
+	
+		result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0);
 		break;
 	}