X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/85690a3f9979e3614e46847053a60289eb990ef0..a270f1e37a49ae072740de471bfe98658dea3b5e:/jtagkey.c

diff --git a/jtagkey.c b/jtagkey.c
index b06b6b4..bf1cded 100644
--- a/jtagkey.c
+++ b/jtagkey.c
@@ -209,7 +209,9 @@ int jtagkey_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase,
 		DPRINTF("writing %d bytes\n", writepos-writebuf);
 		for (i=0; i<writepos-writebuf; i++) {
 			ftdi_write_data(&ftdic, writebuf+i, 1);
-			ftdi_read_pins(&ftdic, readbuf+i);
+
+			if (i > 0 && tr[i].cmdTrans == PP_WRITE && tr[i-1].cmdTrans == PP_READ)
+				ftdi_read_pins(&ftdic, readbuf+i);
 		}
 
 #ifdef DEBUG
@@ -225,7 +227,6 @@ int jtagkey_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase,
 	}
 
 	readpos = readbuf;
-	readpos += 0;
 
 	for (i = 0; i < num; i++) {
 		DPRINTF("dwPort: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",