From 5a70772295bb670215dd4d36fdf3e5985af99f71 Mon Sep 17 00:00:00 2001
From: Ben Gamari <bgamari.foss@gmail.com>
Date: Thu, 4 Jul 2013 15:30:43 -0400
Subject: [PATCH] usb_queue: Enable transfer chaining

Unfortunately this seems to be slightly broken. While hackrf_transfer
streams fine, things fall apart when disabling streaming. Not sure why
yet.
---
 firmware/hackrf_usb/usb_queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/hackrf_usb/usb_queue.c b/firmware/hackrf_usb/usb_queue.c
index b68d3fc5..7492eb92 100644
--- a/firmware/hackrf_usb/usb_queue.c
+++ b/firmware/hackrf_usb/usb_queue.c
@@ -127,7 +127,7 @@ void usb_transfer_schedule(
         // TODO: disable_interrupts();
         usb_transfer_t* tail = endpoint_transfers[index];
         endpoint_add_transfer(endpoint, transfer);
-        if (1 || tail == NULL) {
+        if (tail == NULL) {
                 // The queue is currently empty, we need to re-prime
                 usb_endpoint_schedule_wait(endpoint, &transfer->td);
         } else {