PATCH: CDROMVOL

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Hi!

I sent a message about the CDROMVOL problem with the THOMSON-DVD in the 
Xbox yesterday. I implemented the CDROM_GET_CAPABILITY method I 
suggested.

CDROM_GET_CAPABILITY is >0 on all CDROM drives, and <0 on all non-CDROM 
drives and thus a very effective way to ping a drive.

The patch is attached. Please apply it to the standard package. 
Distributors, please add it to your packages.

   Michael


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diff -uNr cdparanoia-III-alpha9.8/interface/common_interface.c cdparanoia-III-alpha9.8-new/interface/common_interface.c
--- cdparanoia-III-alpha9.8/interface/common_interface.c	Wed Apr 19 22:41:04 2000
+++ cdparanoia-III-alpha9.8-new/interface/common_interface.c	Sat Aug  9 12:10:38 2003
@@ -15,10 +15,11 @@
 
 #include <linux/hdreg.h>
 
-/* Test for presence of a cdrom by pinging with the 'CDROMVOLREAD' ioctl() */
+/* Test for presence of a cdrom by pinging with the 'CDROM_GET_CAPABILITY' ioctl()
+   used to be 'CDROMVOLREAD', but the THOMSON-DVD in the Xbox does not support it
+   Michael Steil <[email protected]> 2003/08/09 */
 int ioctl_ping_cdrom(int fd){
-  struct cdrom_volctrl volctl;
-  if (ioctl(fd, CDROMVOLREAD, &volctl)) 
+  if(ioctl(fd, CDROM_GET_CAPABILITY, NULL)<0)
     return(1); /* failure */
 
   return(0);

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