Reduced number of GET CONFIGURATION transactions

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2014.08.14.085850"
+#define Cdrskin_timestamP "2014.08.31.110308"

libburn/drive.c

@@ -77,6 +77,8 @@ int burn_setup_drive(struct burn_drive *d, char *fname)
 	d->released = 1;
 	d->stdio_fd = -1;
 	d->status = BURN_DISC_UNREADY;
+	d->erasable = 0;
+	d->current_profile = -1;
 	d->do_stream_recording = 0;
         d->stream_recording_start= 0;
 	d->role_5_nwa = 0;

libburn/mmc.c

@@ -3240,6 +3240,9 @@ void mmc_get_configuration(struct burn_drive *d)
 	int alloc_len = 8, ret;
 	char *msg = NULL;
 
+	if (d->current_profile > 0 && d->current_profile < 0xffff)
+		goto ex;
+
 	mmc_start_if_needed(d, 1);
 	if (mmc_function_spy(d, "mmc_get_configuration") <= 0)
 		goto ex;