This patch allows to normal users on Plextor drives:
- Hide CD-R
- SingleSession
- SpeedRead
- PowerRec
- VariRec
- GigaRec
Can be tested with new qpxtool (testing version available here):
http://de.geocities.com/linux_piewie/download/qpxtool-testing.tgz
--- linux/include/scsi/old-scsi.h 2006-02-12 16:15:40.000000000 +0100
+++ linux/include/scsi/scsi.h 2006-02-12 17:23:20.000000000 +0100
@@ -108,7 +108,11 @@
#define SEARCH_LOW_12 0xb2
#define READ_ELEMENT_STATUS 0xb8
#define SEND_VOLUME_TAG 0xb6
+#define PLEXTOR_MODE 0xe9
#define WRITE_LONG_2 0xea
+#define PLEXTOR_PREC_SPEEDS 0xeb
+#define PLEXTOR_MODE2 0xed
+
#define READ_16 0x88
#define WRITE_16 0x8a
#define VERIFY_16 0x8f
--- linux/drivers/block/old-scsi_ioctl.c 2006-02-12 16:23:37.000000000
+0100
+++ linux/drivers/block/scsi_ioctl.c 2006-02-12 16:25:31.000000000 +0100
@@ -159,7 +159,10 @@
safe_for_read(GPCMD_GET_PERFORMANCE),
safe_for_read(GPCMD_SEEK),
safe_for_read(GPCMD_STOP_PLAY_SCAN),
-
+ safe_for_read(PLEXTOR_MODE),
+ safe_for_read(PLEXTOR_PREC_SPEEDS),
+ safe_for_read(PLEXTOR_MODE2),
+
/* Basic writing commands */
safe_for_write(WRITE_6),
safe_for_write(WRITE_10),