Bug fix: On some drives the request for minimum speed yielded maximum speed
This commit is contained in:
parent
c2903ab717
commit
a18c862e84
@ -1 +1 @@
|
||||
#define Cdrskin_timestamP "2013.02.26.080127"
|
||||
#define Cdrskin_timestamP "2013.03.04.211258"
|
||||
|
@ -4250,14 +4250,22 @@ int mmc_get_write_performance(struct burn_drive *d)
|
||||
return 0;
|
||||
|
||||
/* first command execution to learn number of descriptors and
|
||||
dxfer_len */
|
||||
dxfer_len
|
||||
*/
|
||||
ret = mmc_get_write_performance_al(d, &alloc_len, &max_descr);
|
||||
if (max_descr > 0 && ret > 0) {
|
||||
/* Some drives announce only 1 descriptor if asked for 0.
|
||||
So ask twice for non-0 descriptors.
|
||||
*/
|
||||
ret = mmc_get_write_performance_al(d, &alloc_len, &max_descr);
|
||||
}
|
||||
/*
|
||||
fprintf(stderr,"LIBBURN_DEBUG: ACh alloc_len = %d , ret = %d\n",
|
||||
alloc_len, ret);
|
||||
*/
|
||||
if (max_descr > 0 && ret > 0)
|
||||
/* second execution with announced length */
|
||||
/* final execution with announced length */
|
||||
max_descr = (alloc_len - 8) / 16;
|
||||
ret = mmc_get_write_performance_al(d, &alloc_len, &max_descr);
|
||||
return ret;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user