Hi Andrew,
It appears that another test has been added in the Uniform CDROM layer
that must be passed before a DVD-RAM is considered wrieable. This patch
implements an emulation of the needed packet command for the viocd driver.
Signed-off-by: Stephen Rothwell <[email protected]>
--
Cheers,
Stephen Rothwell [email protected]
http://www.canb.auug.org.au/~sfr/
diff -ruNp linus/drivers/cdrom/viocd.c linus-viocd.dvd/drivers/cdrom/viocd.c
--- linus/drivers/cdrom/viocd.c 2005-05-20 09:03:44.000000000 +1000
+++ linus-viocd.dvd/drivers/cdrom/viocd.c 2005-05-13 16:00:10.000000000 +1000
@@ -488,6 +488,20 @@ static int viocd_packet(struct cdrom_dev
& (CDC_DVD_RAM | CDC_RAM)) != 0;
}
break;
+ case GPCMD_GET_CONFIGURATION:
+ if (cgc->cmd[3] == CDF_RWRT) {
+ struct rwrt_feature_desc *rfd = (struct rwrt_feature_desc *)(cgc->buffer + sizeof(struct feature_header));
+
+ if ((buflen >=
+ (sizeof(struct feature_header) + sizeof(*rfd))) &&
+ (cdi->ops->capability & ~cdi->mask
+ & (CDC_DVD_RAM | CDC_RAM))) {
+ rfd->feature_code = cpu_to_be16(CDF_RWRT);
+ rfd->curr = 1;
+ ret = 0;
+ }
+ }
+ break;
default:
if (cgc->sense) {
/* indicate Unknown code */
-
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