--- zzzz-none-000/linux-2.4.17/include/asm-ppc/mediabay.h	2001-05-21 22:02:06.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-ppc/mediabay.h	2004-11-24 13:21:50.000000000 +0000
@@ -1,5 +1,5 @@
 /*
- * BK Id: SCCS/s.mediabay.h 1.5 05/17/01 18:14:25 cort
+ * BK Id: SCCS/s.mediabay.h 1.9 12/03/01 10:00:02 trini
  */
 /*
  * mediabay.h: definitions for using the media bay
@@ -12,10 +12,13 @@
 
 #ifdef __KERNEL__
 
-#define MB_FD	0		/* media bay contains floppy drive */
-#define MB_FD1	1		/* media bay contains floppy drive */
-#define MB_CD	3		/* media bay contains ATA drive such as CD */
-#define MB_NO	7		/* media bay contains nothing */
+#define MB_FD		0	/* media bay contains floppy drive (automatic eject ?) */
+#define MB_FD1		1	/* media bay contains floppy drive (manual eject ?) */
+#define MB_SOUND	2	/* sound device ? */
+#define MB_CD		3	/* media bay contains ATA drive such as CD or ZIP */
+#define MB_PCI		5	/* media bay contains a PCI device */
+#define MB_POWER	6	/* media bay contains a Power device (???) */
+#define MB_NO		7	/* media bay contains nothing */
 
 void media_bay_init(void);
 int check_media_bay(struct device_node *which_bay, int what);