ide-cd: add IDE_CD_CAPABILITIES define

While at it remove stale/incorrect comment.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-cd.c

@@ -2580,11 +2580,13 @@ void ide_cdrom_release_real (struct cdrom_device_info *cdi)
 		CDROM_STATE_FLAGS(drive)->toc_valid = 0;
 }
 
+#define IDE_CD_CAPABILITIES \
+	(CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_SELECT_SPEED | \
+	 CDC_SELECT_DISC | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | \
+	 CDC_PLAY_AUDIO | CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R | \
+	 CDC_CD_RW | CDC_DVD | CDC_DVD_R | CDC_DVD_RAM | CDC_GENERIC_PACKET | \
+	 CDC_MO_DRIVE | CDC_MRW | CDC_MRW_W | CDC_RAM)
 
-
-/****************************************************************************
- * Device initialization.
- */
 static struct cdrom_device_ops ide_cdrom_dops = {
 	.open			= ide_cdrom_open_real,
 	.release		= ide_cdrom_release_real,
@@ -2597,14 +2599,7 @@ static struct cdrom_device_ops ide_cdrom_dops = {
 	.get_mcn		= ide_cdrom_get_mcn,
 	.reset			= ide_cdrom_reset,
 	.audio_ioctl		= ide_cdrom_audio_ioctl,
-	.capability		= CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK |
-				CDC_SELECT_SPEED | CDC_SELECT_DISC |
-				CDC_MULTI_SESSION | CDC_MCN |
-				CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | CDC_RESET |
-				CDC_DRIVE_STATUS | CDC_CD_R |
-				CDC_CD_RW | CDC_DVD | CDC_DVD_R| CDC_DVD_RAM |
-				CDC_GENERIC_PACKET | CDC_MO_DRIVE | CDC_MRW |
-				CDC_MRW_W | CDC_RAM,
+	.capability		= IDE_CD_CAPABILITIES,
 	.generic_packet		= ide_cdrom_packet,
 };