diff -c -r /cdrom/usr/src/lib/libcdrom/common.c ./common.c
*** /cdrom/usr/src/lib/libcdrom/common.c	Mon Mar  8 01:13:11 1993
--- ./common.c	Fri Jun 25 02:23:30 1993
***************
*** 28,33 ****
--- 28,34 ----
  	scsi2_status,
  	scsi2_eject,
  	scsi2_volume,
+ 	scsi2_volume2,
  },
  {
  	"panasonic",
***************
*** 38,43 ****
--- 39,45 ----
  	panasonic_status,
  	panasonic_eject,
  	panasonic_volume,
+ 	panasonic_volume2,
  },
  {
  	"toshiba",
***************
*** 48,53 ****
--- 50,56 ----
  	toshiba_status,
  	toshiba_eject,
  	toshiba_volume,
+ 	toshiba_volume2,
  },
  { 
  	"mitsumi",
***************
*** 58,63 ****
--- 61,67 ----
  	mitsumi_status,
  	mitsumi_eject,
  	mitsumi_volume,
+ 	mitsumi_volume2,
  },
  { NULL },
  };
***************
*** 198,201 ****
--- 202,216 ----
  int volume;
  {
  	return((*cdinfo->funcs->volume)(cdinfo, volume));
+ }
+ 
+ /*
+  * Set the stereo volume level 0 = min, 255 = max
+  */
+ int
+ cdvolume2(cdinfo, left, right)
+ struct cdinfo *cdinfo;
+ int left, right;
+ {
+ 	return((*cdinfo->funcs->volume2)(cdinfo, left, right));
  }
diff -c -r /cdrom/usr/src/lib/libcdrom/devs.h ./devs.h
*** /cdrom/usr/src/lib/libcdrom/devs.h	Mon Mar  8 11:42:08 1993
--- ./devs.h	Fri Jun 25 02:21:35 1993
***************
*** 21,26 ****
--- 21,27 ----
  	int	__P((*status)(struct cdinfo *, struct cdstatus *));
  	int	__P((*eject)(struct cdinfo *));
  	int	__P((*volume)(struct cdinfo *, int));
+ 	int	__P((*volume2)(struct cdinfo *, int, int));
  };
  
  struct	cdinfo *scsi2_probe __P((int, char *, char *, char *, int));
***************
*** 30,35 ****
--- 31,37 ----
  int	scsi2_status __P((struct cdinfo *, struct cdstatus *));
  int	scsi2_eject __P((struct cdinfo *));
  int	scsi2_volume __P((struct cdinfo *, int));
+ int	scsi2_volume2 __P((struct cdinfo *, int, int));
  
  struct cdinfo *panasonic_probe __P((int, char *, char *, char *, int));
  int	panasonic_close __P((struct cdinfo *));
***************
*** 38,43 ****
--- 40,46 ----
  int	panasonic_status __P((struct cdinfo *, struct cdstatus *));
  int	panasonic_eject __P((struct cdinfo *));
  int	panasonic_volume __P((struct cdinfo *, int));
+ int	panasonic_volume2 __P((struct cdinfo *, int, int));
  
  struct cdinfo *toshiba_probe __P((int, char *, char *, char *, int));
  int	toshiba_close __P((struct cdinfo *));
***************
*** 46,51 ****
--- 49,55 ----
  int	toshiba_status __P((struct cdinfo *, struct cdstatus *));
  int	toshiba_eject __P((struct cdinfo *));
  int	toshiba_volume __P((struct cdinfo *, int));
+ int	toshiba_volume2 __P((struct cdinfo *, int, int));
  
  struct cdinfo *mitsumi_probe __P((int, char *, char *, char *, int));
  int	mitsumi_close __P((struct cdinfo *));
***************
*** 54,59 ****
--- 58,64 ----
  int	mitsumi_status __P((struct cdinfo *, struct cdstatus *));
  int	mitsumi_eject __P((struct cdinfo *));
  int	mitsumi_volume __P((struct cdinfo *, int));
+ int	mitsumi_volume2 __P((struct cdinfo *, int, int));
  
  struct cdinfo *make_cdinfo __P((int, int));
  int	scsi_inquiry __P((int, char *, char *, char *, int *));
diff -c -r /cdrom/usr/src/lib/libcdrom/mitsumi.c ./mitsumi.c
*** /cdrom/usr/src/lib/libcdrom/mitsumi.c	Mon Mar  8 01:14:05 1993
--- ./mitsumi.c	Fri Jun 25 02:24:40 1993
***************
*** 238,247 ****
  	if (val > 255)
  		val = 255;
  
  	bzero(args, sizeof args);
  	args[0] = 0xae;
! 	args[1] = val;
! 	args[3] = val;
  	mitsumi_cmd(cdinfo->fd, args, 5, (char *)buf, 5);
  	if (buf[0] & 1)
  		fprintf(stderr, "error setting volume: %x\n", buf[0] & 0xff);
--- 238,258 ----
  	if (val > 255)
  		val = 255;
  
+ 	return mitsumi_volume2(cdinfo, val, val);
+ }
+ 
+ int
+ mitsumi_volume2(cdinfo, left, right)
+ 	struct cdinfo *cdinfo;
+ 	int left, right;
+ {
+ 	char args[20];
+ 	char buf[20];
+ 
  	bzero(args, sizeof args);
  	args[0] = 0xae;
! 	args[1] = left;
! 	args[3] = right;
  	mitsumi_cmd(cdinfo->fd, args, 5, (char *)buf, 5);
  	if (buf[0] & 1)
  		fprintf(stderr, "error setting volume: %x\n", buf[0] & 0xff);
diff -c -r /cdrom/usr/src/lib/libcdrom/panasonic.c ./panasonic.c
*** /cdrom/usr/src/lib/libcdrom/panasonic.c	Mon Mar  8 11:42:10 1993
--- ./panasonic.c	Fri Jun 25 02:24:55 1993
***************
*** 218,220 ****
--- 218,228 ----
  {
  	return (0);
  }
+ 
+ int
+ panasonic_volume2(cdinfo, left, right)
+ struct cdinfo *cdinfo;
+ int left, right;
+ {
+ 	return (0);
+ }
diff -c -r /cdrom/usr/src/lib/libcdrom/scsi2.c ./scsi2.c
*** /cdrom/usr/src/lib/libcdrom/scsi2.c	Mon Mar  8 11:42:11 1993
--- ./scsi2.c	Fri Jun 25 02:26:24 1993
***************
*** 233,240 ****
  	struct cdinfo *cdinfo;
  	int volume;
  {
- 	char cdb[10];
- 	char buf[100];
  	int val;
  
  	val = (volume * 255) / 100;
--- 233,238 ----
***************
*** 243,252 ****
  	if (val > 255)
  		val = 255;
  
  	/* mode select */
  	bzero(cdb, 6);
  	cdb[0] = 0x15;
! 	cdb[1] = 0x10;
  	cdb[4] = 20;
  
  	bzero(buf, sizeof buf);
--- 241,260 ----
  	if (val > 255)
  		val = 255;
  
+ 	return scsi2_volume2(cdinfo, val, val);
+ }
+ 
+ /* each side is [0 .. 255] */
+ int
+ scsi2_volume2(struct cdinfo *cdinfo, int left, int right)
+ {
+ 	char cdb[10];
+ 	char buf[100];
+ 
  	/* mode select */
  	bzero(cdb, 6);
  	cdb[0] = 0x15;
! 	cdb[1] = 0x10;			/* SCSI-2 format */
  	cdb[4] = 20;
  
  	bzero(buf, sizeof buf);
***************
*** 257,271 ****
  
  	buf[4] = 0xe; /* page code */
  	buf[5] = 14;
! 	buf[6] = 4;
! 	buf[12] = 1;
! 	buf[13] = val;
! 	buf[14] = 2;
! 	buf[15] = val;
! 
! 	if (scsi_cmd_write(cdinfo->fd, cdb, buf, 18) < 0) {
! 		perror("scsi command: mode select");
! 		return (-1);
  	}
  
  	return (0);
--- 265,279 ----
  
  	buf[4] = 0xe; /* page code */
  	buf[5] = 14;
! 	buf[6] = 4;			/* immed */
! 	buf[12] = 1;			/* port 0 to channel 0 */
! 	buf[13] = left;
! 	buf[14] = 2;			/* port 1 to channel 1 */
! 	buf[15] = right;
! 
! 	if (scsi_cmd_write(cdinfo->fd, cdb, buf, 20) < 0) {
! 	    perror("scsi command: mode select (volume):");
! 	    return (-1);
  	}
  
  	return (0);
diff -c -r /cdrom/usr/src/lib/libcdrom/toshiba.c ./toshiba.c
*** /cdrom/usr/src/lib/libcdrom/toshiba.c	Mon Mar  8 11:42:12 1993
--- ./toshiba.c	Fri Jun 25 02:25:25 1993
***************
*** 272,274 ****
--- 272,283 ----
  	/* Not supported by drive */
  	return (0);
  }
+ 
+ int
+ toshiba_volume2(cdinfo, left, right)
+ struct cdinfo *cdinfo;
+ int left, right;
+ {
+ 	/* Not supported by drive */
+ 	return (0);
+ }